Add github automation for metadata

.github/workflows/process-bblocks.yml

@@ -0,0 +1,20 @@
+name: Validate and process Building Blocks
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - master
+      - main
+
+permissions:
+  contents: write
+  pages: write
+  id-token: write
+
+jobs:
+  validate-and-process:
+    name: Validate and process
+    uses: opengeospatial/bblocks-postprocess/.github/workflows/validate-and-process.yml@master
+    # with:
+    #   sparql_username: sparql
+    #   sparql_password: Secr3T