Replace travis with github action

.github/workflows/ci.yml

@@ -0,0 +1,12 @@
+on: [push]
+name: build
+jobs:
+  runhaskell:
+    name: Hello World
+    runs-on: ubuntu-latest # or macOS-latest, or windows-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: haskell/actions/setup@v2
+        with:
+          enable-stack: true
+      - run: stack build

.travis.yml

@@ -1,23 +0,0 @@
-sudo: false
-
-language: generic
-
-cache:
-  directories:
-  - $HOME/.stack
-
-addons:
-  apt:
-    packages:
-      - libgmp-dev
-
-before_install:
-- mkdir -p ~/.local/bin
-- export PATH=$HOME/.local/bin:$PATH
-- travis_retry curl -L https://get.haskellstack.org/stable/linux-x86_64.tar.gz | tar xz --wildcards --strip-components=1 -C ~/.local/bin '*/stack'
-
-install:
-- stack --no-terminal --install-ghc test --only-dependencies
-
-script:
-- stack --no-terminal test --haddock --no-haddock-deps

README.md

@@ -1,4 +1,4 @@
-# tetris [![Build Status](https://travis-ci.org/samtay/tetris.svg?branch=master)](https://travis-ci.org/samtay/tetris)
+# tetris [![Build Status](https://github.com/samtay/tetris/actions/workflows/ci.yml/badge.svg)](https://github.com/samtay/tetris/actions/workflows/ci.yml)
 
 A terminal interface for Tetris