docs: fix dead links in CONTRIBUTING + put PR template in its appropriate location (#384)

.github/PULL_REQUEST_TEMPLATE/pull_request_template.md

@@ -1,39 +0,0 @@
-# Description
-
-A clear and concise description of the aim of your Pull Request.
-
-**If your pull request aims to fix an open issue or a present bug, please link the relevant issue below. If not, please remove this section**
-Fixes #(issue)
-
-## Type of change
-
-Please delete any options that are not relevant.
-
-- Bug fix (non-breaking change which fixes an issue)
-- New feature (non-breaking change which adds functionality)
-- Breaking change (fix or feature that would cause existing functionality to not work as expected)
-- Translation/Language update
-- Docs
-- Other
-
-## Checklist
-
-Please try to check at least a majority of the checklist before opening your pull request. Exceptions to this will be reviewed on a case by case basis.
-
-- [ ] My code follows the style and contributing guidelines of this project.
-- [ ] I ran Alejandra to format my code (`nix fmt`).
-- [ ] I have performed a self-review of my own code and tested it.
-- [ ] I have commented my code, particularly in hard-to-understand areas.
-- [ ] My changes generate no new warnings.
-- [ ] This change requires a documentation update.
-- [ ] I have updated the documentation accordingly.
-
-## Screenshots & Logs
-
-You are kindly requested to attach screenshots of your changes in actions and preferably your build/run logs for all available packages. If you are not sure how to do this, you can refer to the [documentation](https://notashelf.github.io/neovim-flake/).
-
-**Please do not use any external image service. Instead, just paste in or drag and drop the image here, and it will be uploaded automatically.**
-
-```console
-# Paste your logs here
-```