update readme. add github actions

.github/workflows/go.yml

@@ -0,0 +1,30 @@
+name: Unit-Tests
+on: [push]
+jobs:
+
+  test:
+    name: Test on go ${{ matrix.go_version }} and ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        go_version: [1.11, 1.12, 1.13, 1.14]
+        os: [ubuntu-latest, windows-latest, macOS-latest]
+
+    steps:
+    - name: Check out code
+      uses: actions/checkout@v2
+    # https://github.com/actions/setup-go
+    - name: Use Go ${{ matrix.go_version }}
+      timeout-minutes: 3
+      uses: actions/setup-go@v2
+      with:
+        go-version: ${{ matrix.go_version }}
+
+    - name: Get dependencies
+      run: |
+        go get -v -t -d ./...
+        go get github.com/mattn/goveralls
+        go get golang.org/x/tools/cmd/cover
+
+    - name: Run unit tests
+      run: go test -v -cover ./...

README.md

@@ -30,6 +30,12 @@ If you want more support for file content formats, recommended use `gookit/confi
 - [doc on gowalker](https://gowalker.org/github.com/gookit/ini)
 - [godoc for github](https://godoc.org/github.com/gookit/ini)
 
+## Install
+
+```bash
+go get github.com/gookit/ini/v2
+```
+
 ## Usage
 
 - example data(`testdata/test.ini`):

README.zh-CN.md

@@ -28,6 +28,12 @@
 - [doc on gowalker](https://gowalker.org/github.com/gookit/ini)
 - [godoc for github](https://godoc.org/github.com/gookit/ini)
 
+## 安装
+
+```bash
+go get github.com/gookit/ini/v2
+```
+
 ## 快速使用
 
 - 示例数据(`testdata/test.ini`):