chore(docs): contributing (#1311)

* chore(server): linting

* chore: contributing pr checklist

docs/docs/developer/contributing.md

@@ -0,0 +1,43 @@
+---
+sidebar_position: 3
+---
+
+# Contributing
+
+Contributions are welcome!
+
+## PR Checklist
+
+When contributing code through a pull request, please check the following:
+
+### Web Checks
+
+- [ ] `npm run lint` (linting via ESLint)
+- [ ] `npm run format` (formatting via Prettier)
+- [ ] `npm run check` (Type checking via SvelteKit)
+- [ ] `npm test` (Tests via Jest)
+
+:::tip
+Run all web checks with `npm run check:all`
+:::
+
+### Server Checks
+
+- [ ] `npm run lint` (linting via ESLint)
+- [ ] `npm run format` (formatting via Prettier)
+- [ ] `npm run check` (Type checking via `tsc`)
+- [ ] `npm test` (Tests via Jest)
+
+:::tip
+Run all server checks with `npm run check:all`
+:::
+
+### Open API
+
+The Open API client libraries need to be regenerated whenever there are changes to the `immich-openapi-specs.json` file.
+
+- [ ] `npm run api:generate`
+
+:::tip
+This can also be run via `make api` from the project root directory (not in the `server` folder)
+:::