Add GitHub Actions workflows (#135)

Add test and lint workflows, and remove .travis.yml.

.github/workflows/lint.yml

@@ -0,0 +1,29 @@
+name: Lint
+on:
+  push:
+    branches:
+      - "**"
+  pull_request:
+
+permissions:
+  contents: read
+  pull-requests: read
+  checks: write
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup golang
+        uses: actions/setup-go@v5
+        with:
+          go-version: stable
+
+      - name: Lint
+        uses: golangci/golangci-lint-action@v4
+        with:
+          only-new-issues: true

.github/workflows/test.yml

@@ -0,0 +1,46 @@
+name: Test
+
+on:
+  push:
+    branches:
+      - "**"
+  pull_request:
+
+permissions:
+  contents: write
+
+jobs:
+  test:
+    strategy:
+      matrix:
+        os:
+          - ubuntu-latest
+          - macos-latest
+          - windows-latest
+        go-version:
+          - "1.13"
+          - oldstable
+          - stable
+
+    runs-on: ${{ matrix.os }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup golang
+        uses: actions/setup-go@v5
+        with:
+          go-version: ${{ matrix.go-version }}
+
+      - name: Test
+        run: go test -race -v
+
+      - name: Coverage report
+        if: github.event_name == 'push' && matrix.os == 'ubuntu-latest' && matrix.go-version == 'stable'
+        continue-on-error: true
+        uses: ncruces/go-coverage-report@v0
+        with:
+          report: true
+          chart: true
+          amend: true

README.md

@@ -3,8 +3,8 @@
 Long lived objects in memory introduce expensive GC overhead, With FreeCache, you can cache unlimited number of objects in memory 
 without increased latency and degraded throughput. 
 
-[![Build Status](https://travis-ci.org/coocood/freecache.png?branch=master)](https://travis-ci.org/coocood/freecache)
-[![GoCover](http://gocover.io/_badge/github.com/coocood/freecache)](http://gocover.io/github.com/coocood/freecache)
+[![Build Status](https://github.com/coocood/freecache/workflows/Test/badge.svg)](https://github.com/coocood/freecache/actions/workflows/test.yml)
+[![GoCover](http://github.com/coocood/freecache/wiki/coverage.svg)](https://raw.githack.com/wiki/coocood/freecache/coverage.html)
 [![GoDoc](https://godoc.org/github.com/coocood/freecache?status.svg)](https://godoc.org/github.com/coocood/freecache)
 
 ## Features