add go mod, switch to github actions and drop support for old go vers…

…ions

.github/workflows/publish.yml

@@ -0,0 +1,14 @@
+on:
+  release:
+    types: [published]
+name: Publish
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Get tag
+        id: tag
+        uses: dawidd6/action-get-tag@v1
+      - run: |
+          echo "publishing version: ${{steps.tag.outputs.tag}}"
+          curl https://proxy.golang.org/github.com/amalfra/etag/@v/${{steps.tag.outputs.tag}}.info

.github/workflows/test.yml

@@ -0,0 +1,18 @@
+on: [push, pull_request]
+name: Test
+jobs:
+  test:
+    strategy:
+      matrix:
+        go-version: [1.12.x, 1.13.x, 1.14.x, 1.15.x, 1.16.x]
+        os: [ubuntu-latest]
+    runs-on: ${{ matrix.os }}
+    steps:
+    - name: Install Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: ${{ matrix.go-version }}
+    - name: Checkout code
+      uses: actions/checkout@v2
+    - name: Test
+      run: make test

README.md

@@ -1,7 +1,7 @@
 etag
 ========
 [![GitHub release](https://img.shields.io/github/release/amalfra/etag.svg)](https://github.com/amalfra/etag/releases)
-[![Build Status](https://travis-ci.org/amalfra/etag.svg?branch=master)](https://travis-ci.org/amalfra/etag)
+![Build Status](https://github.com/amalfra/etag/actions/workflows/test.yml/badge.svg?branch=main)
 [![GoDoc](https://godoc.org/github.com/amalfra/etag?status.svg)](https://godoc.org/github.com/amalfra/etag)
 [![Go Report Card](https://goreportcard.com/badge/github.com/amalfra/etag)](https://goreportcard.com/report/github.com/amalfra/etag)
 

go.mod

@@ -0,0 +1,3 @@
+module github.com/amalfra/etag
+
+go 1.12