ci(action): Add Github Action support

Author: AielloChan

.github/workflows/build.yml

@@ -0,0 +1,28 @@
+name: build-echoo
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Golang
+      uses: actions/setup-go@v2
+      with:
+        go-version: '^1.15.6'
+    - run: go version
+    - name: Build echoo
+      run: |
+        bash build.sh
+        ls -la dist || true
+    - name: Archive production artifacts
+      uses: actions/upload-artifact@v2
+      with:
+        name: latest-build
+        path: |
+          dist