Update Docker configuration and add metadata to Dockerfile

- Removed README.md and LICENSE from .dockerignore for inclusion in Docker image.
- Introduced a new docker-compose.yml file to define the application services and their configurations.
- Enhanced Dockerfile with build arguments and detailed image metadata for better documentation and version tracking.

docker-compose.yml

@@ -0,0 +1,22 @@
+services:
+  software-station:
+    build: .
+    container_name: software-station
+    ports:
+      - "8080:8080"
+    volumes:
+      - data:/app/data
+      - cache:/app/.cache
+    environment:
+      - GITEA_TOKEN=${GITEA_TOKEN}
+      - GITEA_SERVER=${GITEA_SERVER:-https://git.quad4.io}
+      - CONFIG_PATH=/app/data/software.txt
+      - UA_BLOCKLIST_PATH=/app/data/ua-blocklist.txt
+    security_opt:
+      - no-new-privileges:true
+    restart: unless-stopped
+
+volumes:
+  data:
+  cache:
+