github: update feature request template

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -11,7 +11,8 @@ body:
         - label: >
             I've looked through [troubleshooting](https://clementtsang.github.io/bottom/nightly/troubleshooting),
             [known problems](https://clementtsang.github.io/bottom/nightly/support/official/#known-problems), and 
-            [existing open issues](https://github.com/ClementTsang/bottom/issues?q=is%3Aopen+is%3Aissue) for similar issues.
+            [existing open issues](https://github.com/ClementTsang/bottom/issues?q=is%3Aopen+is%3Aissue) for similar
+            issues.
           required: true
 
   - type: textarea

.github/ISSUE_TEMPLATE/feature_request.md

@@ -1,15 +0,0 @@
----
-name: Feature request
-about: Got a good idea that hasn't already been suggested?  Mention it here!
-title: "[Feature] "
-labels: ["feature"]
-assignees: ""
----
-
-### Describe the feature request
-
-Please describe what behaviour you are looking for, the motivation for it, and use cases for where this feature would be helpful.
-Try to be clear and concise - more details are usually helpful, but don't ramble on too much.
-
-Also try to see if this feature already exists first [in the documentation](https://clementtsang.github.io/bottom/nightly/),
-or if there's already an issue opened that covers this specific feature.

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -0,0 +1,33 @@
+name: Feature request
+description: Got a good idea that hasn't already been suggested?  Mention it here!
+title: "[Feature] "
+labels: ["feature"]
+body:
+  - type: checkboxes
+    id: acknowledgements
+    attributes:
+      label: Checklist
+      options:
+        - label: >
+            I've looked through [the documentation](https://clementtsang.github.io/bottom/nightly/) and 
+            [existing open issues](https://github.com/ClementTsang/bottom/issues?q=is%3Aopen+is%3Aissue+label%3Afeature)
+            for this feature/feature request.
+          required: true
+
+  - type: textarea
+    id: description
+    validations:
+      required: true
+    attributes:
+      label: Describe the feature request
+      description: >
+        Please describe what behaviour you are looking for, the motivation for it, and use cases for where this feature
+        would be helpful to both you and others. Try to be clear and concise.
+
+        If you have any ideas to implement this feature as well, feel free to write them down here too.
+      placeholder: |
+        Example:
+        It would be nice to support FreeBSD. I often use similar tools on my FreeBSD-based system, and it would
+        be useful to see this tool ported over.
+
+        Sysinfo has FreeBSD support, so this shouldn't be too hard to add.