add CI images to repo

.forgejo/workflows/nvim-bundle.yml

@@ -0,0 +1,24 @@
+on:
+  push:
+    paths:
+      - 'pkgs/nvim/**'
+jobs:
+  nvim-bundle:
+    runs-on: nix-upstream-latest
+    if: github.ref == 'refs/heads/main'
+    strategy:
+      matrix:
+        package_name: ["nvim"]
+    steps:
+      - run: echo "experimental-features = nix-command flakes" >> /etc/nix/nix.conf
+      - run: nix-env -i nodejs
+      - uses: actions/checkout@v4
+      - name: Run `nix bundle`
+        run: |
+          path="${{ matrix.package_name }}.AppImage"
+          nix bundle --bundler github:ralismark/nix-appimage \
+            -o "$path" \
+            .#${{ matrix.package_name }}
+          curl --user "${{ secrets.FJ_USER }}:${{ secrets.FJ_PASS }}" \
+            --upload-file "$path" \
+            "${{ forge.api_url }}/packages/${{ secrets.FJ_USER }}/generic/${{ matrix.package_name }}/latest/$path"