Added some .github-Files

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -0,0 +1,37 @@
+name: Feature Request
+description: Request a new feature
+body:
+- type: markdown
+  attributes:
+    value: |-
+      Please join the [Discord Server](https://discord.gg/0hMr4ce0tIl3SLv5) for questions or ask them in [our Discussions](https://github.com/discord-jda/JDA/discussions).
+      
+      Keep in mind that this isn't the place to learn Java.  
+      Please head over to [Stack Overflow](https://stackoverflow.com/questions/tagged/java) for your general programming questions.
+- type: checkboxes
+  attributes:
+    label: General Troubleshooting
+    description: You confirm to have made the following checks first.
+    options:
+      - label: I have checked for similar issues on the Issue-tracker.
+        required: true
+      - label: I have updated to the [latest JDA version](https://github.com/discord-jda/JDA/releases/latest)
+        required: true
+      - label: I have checked the branches or the maintainers' PRs for upcoming features.
+        required: true
+- type: textarea
+  attributes:
+    label: "Feature Request"
+    description: "Provide a small description of the feature you want to have added."
+    placeholder: "JDA should get ..."
+  validations:
+    required: true
+- type: textarea
+  attributes:
+    label: "Example Use-Case"
+    description: |-
+      Provide some code or describe a possible use-case for this feature.
+      
+      The provided text will be rendered as Java code, so you don't have to provide a Code block for it.
+    placeholder: "public void newAwesomeMethod(){}"
+    render: java