use github actions instead of travis

.github/workflows/go.yml

@@ -0,0 +1,34 @@
+name: Go
+on: push
+env:
+  GO111MODULE: on
+jobs:
+  build:
+    runs-on: ubuntu-18.04
+    name: Go ${{ matrix.go }}
+    strategy:
+      matrix:
+        go:
+        - '1.9'
+        - '1.10'
+        - '1.11'
+        - '1.12'
+        - '1.13'
+        - '1.14'
+        - '1.15'
+        - '1.16'
+        - '1.17'
+    steps:
+    - uses: actions/checkout@v2
+    - name: Setup Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: ${{ matrix.go }}
+    - name: Get dependencies
+      shell: bash
+      run: |
+        version=`go version | awk '{print $3}' | awk -F. '{print $2}'`
+        if [ $version -lt 11 ]; then
+            go get -v -t -d
+        fi
+    - run: go test -race

.gitignore

@@ -33,3 +33,6 @@ test_*
 
 # log
 *.log
+
+# Unix hidden files
+.*

README.md

@@ -1,4 +1,4 @@
-# gconf [![Build Status](https://api.travis-ci.com/xgfone/gconf.svg?branch=master)](https://travis-ci.com/github/xgfone/gconf) [![GoDoc](https://pkg.go.dev/badge/github.com/xgfone/gconf)](https://pkg.go.dev/github.com/xgfone/gconf/v6) [![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg?style=flat-square)](https://raw.githubusercontent.com/xgfone/gconf/master/LICENSE)
+# Go Config [![Build Status](https://github.com/xgfone/gconf/actions/workflows/go.yml/badge.svg)](https://github.com/xgfone/gconf/actions/workflows/go.yml) [![GoDoc](https://pkg.go.dev/badge/github.com/xgfone/gconf)](https://pkg.go.dev/github.com/xgfone/gconf/v6) [![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg?style=flat-square)](https://raw.githubusercontent.com/xgfone/gconf/master/LICENSE)
 
 An extensible and powerful go configuration manager supporting `Go1.9+`, which is inspired by [oslo.config](https://github.com/openstack/oslo.config), [viper](https://github.com/spf13/viper) and [github.com/micro/go-micro/config](https://github.com/micro/go-micro/tree/master/config).