Added deploy step for API Dockerfile

.woodpecker.yaml

@@ -1,6 +1,18 @@
 steps:
-  - name: BuildAPI
+  - name: [YABA.API] Build and run tests
     image: mcr.microsoft.com/dotnet/sdk:6.0
     commands:
       - dotnet build ./API
-      - dotnet test ./API
+      - dotnet test ./API
+  - name: [YABA.API] Deploy Docker Image
+    when: 
+      - event: tag
+    secrets: [gitea_yaba_registry_username, gitea_yaba_registry_password]
+    image: woodpeckerci/plugin-docker-buildx
+    settings:
+      repo: yaba/api
+      dockerfile: ./API/YABA.API/Dockerfile
+      tags: [latest, ${CI_COMMIT_TAG}]
+      username: ${gitea_yaba_registry_username}
+      password: ${gitea_yaba_registry_password}
+      registry: https://gitea.iwanaga.moe/cjtibule/YABA/packages