Initial commit: ozon-mock Go server

- Mock Ozon Seller API endpoints
- Products, Postings, Finance, Returns, Analytics
- JSON fixtures for testing
- Docker support
- Gitea Actions CI/CD

.gitea/workflows/test.yml

@@ -0,0 +1,32 @@
+name: test
+
+on:
+  - push
+  - pull_request
+
+jobs:
+  test:
+    runs-on: self-hosted
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-go@v5
+        with:
+          go-version: '1.25'
+
+      - name: Download dependencies
+        run: go mod download
+
+      - name: Vet
+        run: go vet ./...
+
+      - name: Build
+        run: go build -v ./...
+
+      - name: Test
+        run: go test -v -race ./...
+
+      - name: Build Docker image
+        run: |
+          docker build -t ozon-mock:${{ github.sha }} .
+          docker tag ozon-mock:${{ github.sha }} ozon-mock:latest