other: update PR and issue templates (#2268)

Making it so that new features have to go through a feature request first. I'm somewhat not a fan of getting random feature PRs out of the blue - I feel bad saying no too. I would rather be upfront and say that look, if you want a feature, make a feature request and discuss it first before you waste time/tokens/whatever on it.

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -1,5 +1,5 @@
 name: Feature request
-description: Got a good idea that hasn't already been suggested?  Mention it here!
+description: Got a good idea that hasn't already been suggested? Mention it here!
 labels: [ "feature" ]
 body:
   - type: checkboxes

.github/pull_request_template.md

@@ -7,7 +7,7 @@ _A description of the change, what it does, and why it was made. If relevant (e.
 
 ## Issue
 
-_If applicable, what issue does this address?_
+_If applicable, what issue does this address? Note that if this is for a new feature, please create an issue first and let it be discussed first. PRs that do not follow this may be closed._
 
 Closes: #<issue-number>
 
@@ -36,7 +36,10 @@ _Ensure **all** of these are met:_
 - [ ] _There are no merge conflicts_
 - [ ] _You have personally reviewed your changes already before creating the PR_
 - [ ] _The pull request passes the provided CI pipeline_
-- [ ] _If the changes were generated with AI tools, ensure it follows the [AI policy](https://github.com/ClementTsang/bottom/blob/main/AI_POLICY.md). Specify how it was used in the "Other" section, and that you as a human have personally reviewed the change_
+- _If the changes were generated with AI tools:_
+  - [ ] _Ensure it **fully** follows the [AI policy](https://github.com/ClementTsang/bottom/blob/main/AI_POLICY.md)._
+  - [ ] _Specify how it was used in the "Other" section._
+  - [ ] _Ensure that you, as a human, have personally reviewed the change_
 
 ## Other
 

docs/content/contribution/issues-and-pull-requests.md

@@ -15,12 +15,14 @@ When filing a bug report, please use the [bug report template](https://github.co
 
 ### Feature requests
 
-Please use the [feature request template](https://github.com/ClementTsang/bottom/issues/new?assignees=&labels=feature&template=feature_request.md&title=) and fill it out. Remember to give details about what the feature is along with why you think this suggestion will be useful.
-
-Also, please check whether an existing issue has covered your specific feature request!
+Please use the [feature request template](https://github.com/ClementTsang/bottom/issues/new?assignees=&labels=feature&template=feature_request.md&title=) and fill it out. Remember to give details about what the feature is along with why you think this suggestion will be useful first! Also, please check whether an existing issue
+already covers your specific feature request.
 
 ## Pull requests
 
+**Note**: if you want to add a new feature, please first open an appropriate issue to discuss the merits of the feature.
+PRs that do not do this may be closed.
+
 The expected workflow for a pull request is:
 
 1. Fork the project.