Switch from Travis CI to GitHub Actions (#20)

.github/workflows/build.yml

@@ -0,0 +1,11 @@
+on: [push, pull_request]
+name: build
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@master
+      - name: lint
+        uses: Roang-zero1/factorio-mod-luacheck@master
+        with:
+          luacheckrc_url: ""

.travis.yml

@@ -1,15 +0,0 @@
-dist: bionic
-language: python
-
-python:
-  - 3.7.1
-
-install:
-  - sudo apt-get update -qq
-  - sudo apt-get install -qqq luarocks
-  - pip3 install pre-commit
-  - luarocks install --local luacheck
-
-script:
-  - pre-commit run --all-files
-  - $HOME/.luarocks/bin/luacheck .

README.md

@@ -1,4 +1,4 @@
-# Map Tools
+# Map Tools [![](https://github.com/minetest-mods/maptools/workflows/build/badge.svg)](https://github.com/minetest-mods/maptools/actions)
 
 Map Tools for [Minetest](https://www.minetest.net/), a free and open source infinite
 world block sandbox game.

docs/CHANGELOG.md

@@ -7,6 +7,15 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+### Changed
+
+- Switch to GitHub actions.
+  - Benefits include faster responses.
+
+### Removed
+
+- Removed Travis CI.
+
 ## [2.1.0] - 2020-06-08
 
 ### Changed