Add test infrastructure and example vault content

- Add docker-compose.test.yml for isolated testing
- Add test vault with sample Markdown notes across categories
- Add frontend audit script for module validation
- Increment user failed_attempts in test data

docker-compose.test.yml

@@ -0,0 +1,20 @@
+services:
+  obsigate:
+    build:
+      context: .
+    image: obsigate:latest
+    container_name: obsigate
+    user: "1000:1000"
+    restart: unless-stopped
+    ports:
+      - "2020:8080"
+    volumes:
+      - C:\dev\git\python\obsigate\test-vault:/vaults/TestVault
+      - C:\dev\git\python\obsigate\data:/app/data
+    environment:
+      - VAULT_1_NAME=TestVault
+      - VAULT_1_PATH=/vaults/TestVault
+      - OBSIGATE_AUTH_ENABLED=false
+      - OBSIGATE_ADMIN_USER=admin
+      - OBSIGATE_ADMIN_PASSWORD=test123
+      - OBSIGATE_WATCHER_ENABLED=false