Add public monitoring features and CI updates

- Add status pages, incidents, badges, maintenance, bulk ops, and metrics
- Add Docker packaging, env example, and frontend routes
- Refresh GitHub workflows and project metadata

.github/workflows/vulncheck.yml

@@ -17,14 +17,15 @@ jobs:
   vulncheck:
     name: VulnCheck
     runs-on: ubuntu-latest
+    timeout-minutes: 15
     steps:
       - name: Check out code into the Go module directory
         uses: actions/checkout@v6
       - name: Set up Go
         uses: actions/setup-go@v6
         with:
-          go-version: 1.26.x
-          # cached: false
+          go-version-file: go.mod
+          cache-dependency-path: go.sum
       - name: Get official govulncheck
         run: go install golang.org/x/vuln/cmd/govulncheck@latest
         shell: bash