Add issue template

Add an issue template using GitHub's form schema
https://docs.github.com/en/communities/using-templates-to-encourage-useful-issues-and-pull-requests/syntax-for-githubs-form-schema

closes https://github.com/official-stockfish/Stockfish/pull/4210

No functional change.

.github/ISSUE_TEMPLATE/BUG-REPORT.yml

@@ -0,0 +1,65 @@
+name: Report issue
+description: Create a report to help us fix issues with the engine
+body:
+- type: textarea
+  attributes:
+    label: Describe the issue
+    description: A clear and concise description of what you're experiencing.
+  validations:
+    required: true
+
+- type: textarea
+  attributes:
+    label: Expected behavior
+    description: A clear and concise description of what you expected to happen.
+  validations:
+    required: true
+
+- type: textarea
+  attributes:
+    label: Steps to reproduce
+    description: |
+      Steps to reproduce the behavior.
+      You can also use this section to paste the command line output.
+    placeholder: |
+      ```
+      position startpos moves g2g4 e7e5 f2f3
+      go mate 1
+      info string NNUE evaluation using nn-6877cd24400e.nnue enabled
+      info depth 1 seldepth 1 multipv 1 score mate 1 nodes 33 nps 11000 tbhits 0 time 3 pv d8h4
+      bestmove d8h4
+      ```
+  validations:
+    required: true
+
+- type: textarea
+  attributes:
+    label: Anything else?
+    description: |
+      Anything that will give us more context about the issue you are encountering.
+      You can also use this section to propose ideas on how to solve the issue. 
+  validations:
+    required: false
+
+- type: dropdown
+  attributes:
+    label: Operating system
+    options:
+      - All
+      - Windows
+      - Linux
+      - MacOS
+      - Android
+      - Other or N/A
+  validations:
+    required: true
+
+- type: input
+  attributes:
+    label: Stockfish version
+    description: |
+      This can be found by running the engine.
+      You can also use the commit ID.
+    placeholder: Stockfish 15 / e6e324e
+  validations:
+    required: true

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,8 @@
+blank_issues_enabled: false
+contact_links:
+  - name: Discord server
+    url: https://discord.gg/GWDRS3kU6R
+    about: Feel free to ask for support or have a chat with us in our Discord server!
+  - name: Discussions, Q&A, ideas, show us something...
+    url: https://github.com/official-stockfish/Stockfish/discussions/new
+    about: Do you have an idea for Stockfish? Do you want to show something that you made? Please open a discussion about it!

README.md

@@ -344,19 +344,15 @@ source code, these changes must also be made available under the GPL v3.
 For full details, read the copy of the GPL v3 found in the file named
 [*Copying.txt*][license-link].
 
+
 [authors-link]:       https://github.com/official-stockfish/Stockfish/blob/master/AUTHORS
-[build-badge]:https://img.shields.io/github/workflow/status/official-stockfish/Stockfish/Stockfish?style=for-the-badge&label=stockfish&logo=github
 [build-link]:         https://github.com/official-stockfish/Stockfish/actions/workflows/stockfish.yml
-[commits-badge]:https://img.shields.io/github/commits-since/official-stockfish/Stockfish/latest?style=for-the-badge
 [commits-link]:       https://github.com/official-stockfish/Stockfish/commits/master
-[discord-badge]:https://img.shields.io/discord/435943710472011776?style=for-the-badge&label=discord&logo=Discord
+[discord-link]:       https://discord.gg/GWDRS3kU6R
-[discord-link]:https://discord.com/invite/aefaxmq
 [fishcooking-link]:   https://groups.google.com/g/fishcooking
-[fishtest-badge]:https://img.shields.io/website?style=for-the-badge&down_color=red&down_message=Offline&label=Fishtest&up_color=success&up_message=Online&url=https%3A%2F%2Ftests.stockfishchess.org%2Ftests
 [fishtest-link]:      https://tests.stockfishchess.org/tests
 [github-link]:        https://github.com/official-stockfish/Stockfish
 [guideline-link]:     https://github.com/glinscott/fishtest/wiki/Creating-my-first-test
-[license-badge]:https://img.shields.io/github/license/official-stockfish/Stockfish?style=for-the-badge&label=license&color=success
 [license-link]:       https://github.com/official-stockfish/Stockfish/blob/master/Copying.txt
 [lockpages-link]:     https://docs.microsoft.com/en-us/sql/database-engine/configure-windows/enable-the-lock-pages-in-memory-option-windows
 [nodchip-link]:       https://github.com/nodchip/Stockfish
@@ -365,12 +361,19 @@ For full details, read the copy of the GPL v3 found in the file named
 [pytorch-link]:       https://github.com/glinscott/nnue-pytorch
 [rammap-link]:        https://docs.microsoft.com/en-us/sysinternals/downloads/rammap
 [readme-link]:        https://github.com/official-stockfish/Stockfish/blob/master/README.md
-[release-badge]:https://img.shields.io/github/v/release/official-stockfish/Stockfish?style=for-the-badge&label=official%20release
 [release-link]:       https://github.com/official-stockfish/Stockfish/releases/latest
 [src-link]:           https://github.com/official-stockfish/Stockfish/tree/master/src
 [stockfish128-logo]:  https://stockfishchess.org/images/logo/icon_128x128.png
 [tools-link]:         https://github.com/official-stockfish/Stockfish/tree/tools
 [uci-link]:           https://www.shredderchess.com/download/div/uci.zip
-[website-badge]:https://img.shields.io/website?style=for-the-badge&down_color=red&down_message=Offline&label=website&up_color=success&up_message=Online&url=https%3A%2F%2Fstockfishchess.org
 [website-link]:       https://stockfishchess.org
 [worker-link]:        https://github.com/glinscott/fishtest/wiki/Running-the-worker:-overview
+
+[build-badge]:        https://img.shields.io/github/workflow/status/official-stockfish/Stockfish/Stockfish?style=for-the-badge&label=stockfish&logo=github
+[commits-badge]:      https://img.shields.io/github/commits-since/official-stockfish/Stockfish/latest?style=for-the-badge
+[discord-badge]:      https://img.shields.io/discord/435943710472011776?style=for-the-badge&label=discord&logo=Discord
+[fishtest-badge]:     https://img.shields.io/website?style=for-the-badge&down_color=red&down_message=Offline&label=Fishtest&up_color=success&up_message=Online&url=https%3A%2F%2Ftests.stockfishchess.org%2Ftests
+[license-badge]:      https://img.shields.io/github/license/official-stockfish/Stockfish?style=for-the-badge&label=license&color=success
+[release-badge]:      https://img.shields.io/github/v/release/official-stockfish/Stockfish?style=for-the-badge&label=official%20release
+
+[website-badge]:      https://img.shields.io/website?style=for-the-badge&down_color=red&down_message=Offline&label=website&up_color=success&up_message=Online&url=https%3A%2F%2Fstockfishchess.org