docs: add document for echarts option

.github/workflows/test.yml

@@ -0,0 +1,43 @@
+name: Test
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        go:
+        - '1.17'
+        - '1.16'
+        - '1.15'
+        - '1.14'
+        - '1.13'
+    steps:
+
+    - name: Go ${{ matrix.go }} test 
+      uses: actions/setup-go@v2
+      with:
+        go-version: ${{ matrix.go }}
+
+    - name: Check out code into the Go module directory
+      uses: actions/checkout@v2
+
+    - name: Get dependencies
+      run:
+        curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin latest
+
+    - name: Lint
+      run: make lint
+
+    - name: Test
+      run: make test
+
+    - name: Bench
+      run: make bench