Add build workflow

.github/workflows/go-build.yml

@@ -0,0 +1,26 @@
+name: Generate release-artifacts
+on:
+  release:
+    types:
+        - created
+jobs:
+  generate:
+    name: Generate cross-platform builds
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout the repository
+        uses: actions/checkout@v2
+      - name: Generate build files
+        uses: thatisuday/go-cross-build@v1
+        with:
+            platforms: 'linux/amd64, darwin/amd64, linux/arm64'
+            package: ''
+            name: 'aws_sm_loader'
+            compress: 'false'
+            dest: 'dist'
+      - name: Copy build-artifacts
+        uses: skx/github-action-publish-binaries@master
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          args: "./dist/*"