Add authoritative URLs to checklists and copy .golangci.yml

- Add .golangci.yml from upaas as authoritative copy in this repo
- Update REPO_POLICIES.md to reference .golangci.yml by URL
- Add fetch URLs for all template files in both checklists:
  .gitignore, .editorconfig, Makefile, .prettierrc, .prettierignore,
  REPO_POLICIES.md, .golangci.yml, check.yml

prompts/NEW_REPO_CHECKLIST.md

@@ -30,28 +30,33 @@ Template files can be fetched from:
 
 ### Fetch Template Files
 
-- [ ] `.gitignore` — fetch from prompts repo, extend for language-specific
-      artifacts
-- [ ] `.editorconfig` — fetch from prompts repo
-- [ ] `Makefile` — fetch from prompts repo, adapt targets for the project's
-      language and tools
-- [ ] For JS/docs repos: `.prettierrc`, `.prettierignore`
+- [ ] [`.gitignore`](https://git.eeqj.de/sneak/prompts/raw/branch/main/.gitignore)
+      — fetch from prompts repo, extend for language-specific artifacts
+- [ ] [`.editorconfig`](https://git.eeqj.de/sneak/prompts/raw/branch/main/.editorconfig)
+      — fetch from prompts repo
+- [ ] [`Makefile`](https://git.eeqj.de/sneak/prompts/raw/branch/main/Makefile) —
+      fetch from prompts repo, adapt targets for the project's language and
+      tools
+- [ ] For JS/docs repos:
+      [`.prettierrc`](https://git.eeqj.de/sneak/prompts/raw/branch/main/.prettierrc),
+      [`.prettierignore`](https://git.eeqj.de/sneak/prompts/raw/branch/main/.prettierignore)
 
 ### Create Project Files
 
 - [ ] `LICENSE` file matching the chosen license
-- [ ] `REPO_POLICIES.md` — fetch from `prompts/REPO_POLICIES.md` in the prompts
-      repo
+- [ ] [`REPO_POLICIES.md`](https://git.eeqj.de/sneak/prompts/raw/branch/main/prompts/REPO_POLICIES.md)
+      — fetch from prompts repo
 - [ ] `Dockerfile` and `.dockerignore`
     - All Dockerfiles must run `make check` as a build step
     - Server: also builds and runs the application
     - Non-server: brings up dev environment and runs `make check`
     - Image pinned by sha256 hash with version/date comment
 - [ ] Gitea Actions workflow at `.gitea/workflows/check.yml` that runs
-      `docker build .` on push
+      `docker build .` on push — reference
+      [`check.yml`](https://git.eeqj.de/sneak/prompts/raw/branch/main/.gitea/workflows/check.yml)
 - [ ] Language-specific:
-    - [ ] Go: `go mod init sneak.berlin/go/<name>`, `.golangci.yml` (copy from
-          `~/dev/upaas/.golangci.yml`)
+    - [ ] Go: `go mod init sneak.berlin/go/<name>`,
+          [`.golangci.yml`](https://git.eeqj.de/sneak/prompts/raw/branch/main/.golangci.yml)
     - [ ] JS: `yarn init`, `yarn add --dev prettier`
     - [ ] Python: `pyproject.toml`