refactor: restructure project to align with standard Go layout

### CHANGES

- Introduce `cmd` directory for all main application binaries.
- Move all Go packages into the `internal` directory.
- Rename the `restapi` package to `server` for clarity.
- Consolidate patterns and strategies into a new `data` directory.
- Group all auxiliary scripts into a new `scripts` directory.
- Move all documentation and images into a `docs` directory.
- Update all Go import paths to reflect the new structure.
- Adjust CI/CD workflows and build commands for new layout.

scripts/docker/docker-compose.yml

@@ -0,0 +1,11 @@
+version: '3.8'
+
+services:
+  fabric-api:
+    build: .
+    ports:
+      - "8080:8080"
+    volumes:
+      - ./ENV:/root/.config/fabric/.env:ro
+    environment:
+      - GIN_MODE=release