feat: modernize application — source, platform artifacts, CI/CD

- chore: ingest source code

108 files from https://github.com/spring-projects/spring-petclinic
- feat: add platform deployment artifacts
- feat: add CI/CD workflow automation

.gitea/workflows/techdocs.yml

@@ -0,0 +1,52 @@
+name: Build and Publish TechDocs
+
+on:
+  push:
+    branches: [main]
+    paths:
+      - "docs/**"
+      - "mkdocs.yml"
+      - "catalog-info.yaml"
+  workflow_dispatch: {}
+
+env:
+  AZURE_FEDERATED_TOKEN_FILE: /var/run/secrets/azure/tokens/azure-identity-token
+  AZURE_ACCOUNT_NAME: "bstagecjotdevsttechdocs"
+  ENTITY_NAMESPACE: default
+  ENTITY_KIND: component
+  ENTITY_NAME: demo-kpc-1
+
+jobs:
+  build-and-publish:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      id-token: write
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Install dependencies
+        run: |
+          apt-get update -qq && apt-get install -y python3-pip
+          pip3 install mkdocs-techdocs-core==1.*
+          npm install -g @techdocs/cli
+      - name: Build TechDocs site
+        run: techdocs-cli generate --source-dir . --output-dir ./site --no-docker --verbose
+      - name: Install Azure CLI
+        run: |
+          if ! command -v az &>/dev/null; then curl -sL https://aka.ms/InstallAzureCLIDeb | bash; fi
+      - name: Azure login (OIDC)
+        run: |
+          az login \
+            --service-principal \
+            --username "$AZURE_CLIENT_ID" \
+            --tenant "$AZURE_TENANT_ID" \
+            --federated-token "$(cat $AZURE_FEDERATED_TOKEN_FILE)"
+      - name: Publish TechDocs site
+        run: |
+          techdocs-cli publish \
+            --publisher-type azureBlobStorage \
+            --storage-name "techdocs" \
+            --azureAccountName "$AZURE_ACCOUNT_NAME" \
+            --entity "$ENTITY_NAMESPACE/$ENTITY_KIND/$ENTITY_NAME"