Feat: Create reusable catalog generation workflow

.github/workflows/catalog.yml

@@ -0,0 +1,23 @@
+name: Catalog Generator
+
+on:
+  workflow_call:
+
+jobs:
+  c:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - uses: actions/checkout@v4
+      - name: Generate and Push Catalog
+        run: |
+          echo "[" >catalog.json;C=;
+          for d in . $(find . -mindepth 1 -type d ! -path '*/.*' -printf '%P\n');do S=;c=;for f in "$d"/*.sune;do [ -f "$f" ]||continue;rel=${f#./};raw="https://raw.githubusercontent.com/$GITHUB_REPOSITORY/$GITHUB_REF_NAME/$rel";n=$(jq -r '.[0].name//empty' "$f" 2>/dev/null);a=$(jq -r '.[0].avatar//empty' "$f" 2>/dev/null);i=$(jq -r '.[0].id//empty' "$f" 2>/dev/null);bn=$(basename "$rel");j=$(jq -rn --arg name "${n:-$bn}" --arg raw "$raw" --arg avatar "$a" --arg id "$i" '({name:$name,raw:$raw}+(if $avatar=="" then {} else {avatar:$avatar} end)+(if $id=="" then {} else {id:$id} end))');S="$S$c$j";c=,;done;[ -n "$S" ]&&printf "%s" "$C{\"folder\":\"$d\",\"sunes\":[$S]}" >>catalog.json&&C=,;done
+          echo "]" >>catalog.json
+          t=$(mktemp);jq . catalog.json>"$t"&&mv "$t" catalog.json
+          git config user.name bot
+          git config user.email bot@users.noreply.github.com
+          git add catalog.json
+          git commit -m "update catalog" || true
+          git push