use github actions instead of travis

.github/workflows/go.yml

@@ -0,0 +1,27 @@
+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 }}
+    - run: go test -race

.gitignore

@@ -38,3 +38,6 @@ test_*
 
 # VS Code
 .vscode/
+
+# Unix hidden files
+.*

.travis.yml

@@ -1,13 +0,0 @@
-language: go
-go:
-  - 1.9.x
-  - 1.10.x
-  - 1.11.x
-  - 1.12.x
-  - 1.13.x
-  - 1.14.x
-  - 1.15.x
-env:
-  - GO111MODULE=on
-script:
-  - go test -race ./...

README.md

@@ -1,4 +1,4 @@
-# BT - Another Implementation For Golang [![Build Status](https://api.travis-ci.com/xgfone/bt.svg?branch=master)](https://travis-ci.com/github/xgfone/bt) [![GoDoc](https://pkg.go.dev/badge/github.com/xgfone/bt)](https://pkg.go.dev/github.com/xgfone/bt) [![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg?style=flat-square)](https://raw.githubusercontent.com/xgfone/bt/master/LICENSE)
+# BT - Another Implementation For Golang [![Build Status](https://github.com/xgfone/bt/actions/workflows/go.yml/badge.svg)](https://github.com/xgfone/bt/actions/workflows/go.yml) [![GoDoc](https://pkg.go.dev/badge/github.com/xgfone/bt)](https://pkg.go.dev/github.com/xgfone/bt) [![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg?style=flat-square)](https://raw.githubusercontent.com/xgfone/bt/master/LICENSE)
 
 A pure golang implementation of [BitTorrent](http://bittorrent.org/beps/bep_0000.html) library, which is inspired by [dht](https://github.com/shiyanhui/dht) and [torrent](https://github.com/anacrolix/torrent).