[#20] feat: add build.yml for github action

.github/workflows/build.yml

@@ -0,0 +1,25 @@
+name: build
+on:
+  create:
+    tags:
+      - v*
+  workflow_dispatch:
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Set output
+        id: vars
+        run: echo ::set-output name=tag::${GITHUB_REF#refs/*/}
+      - name: Docker Setup QEMU
+        uses: docker/setup-qemu-action@v1.2.0
+      - name: Docker Setup Buildx
+        uses: docker/setup-buildx-action@v1.6.0
+      - name: Docker Login
+        uses: docker/login-action@v1.10.0
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_TOKEN }}
+      - name: Build Image
+        working-directory: python
+        run: docker buildx build --platform linux/amd64,linux/arm64 -t syw5141/khugpt-agent:${{ steps.vars.outputs.tag }} --push .