chore: replace travis w/ github actions for CI (#20)

* chore: replace travis w/ github actions for CI

* chore: replace travis w/ github actions for CI

* remove node 24

* Update readme with checks badge

.github/workflows/ci.yml

@@ -0,0 +1,22 @@
+name: CI
+on:
+    push:
+        branches: [mainline]
+    pull_request:
+        branches: [mainline]
+
+jobs:
+    build:
+        strategy:
+            matrix:
+                os: [windows-latest, ubuntu-latest, macos-latest]
+                node: [18, 20, 22]
+        runs-on: ${{ matrix.os }}
+        steps:
+            - uses: actions/checkout@v4
+            - uses: actions/setup-node@v4
+              with:
+                  node-version: ${{ matrix.node }}
+            - run: npm ci
+            - run: npm run build
+            - run: npm test

.travis.yml

@@ -1,11 +0,0 @@
-git:
-    autocrlf: input
-language: node_js
-os:
-    - linux
-    - osx
-    - windows
-node_js:
-    - node
-    - lts/*
-    - 18

README.md

@@ -4,7 +4,7 @@
 
 [![NPM release](https://img.shields.io/npm/v/@websnacksjs/websnacks?style=flat-square)](https://www.npmjs.com/package/@websnacksjs/websnacks "NPM release")
 [![NPM](https://img.shields.io/npm/l/@websnacksjs/websnacks?style=flat-square)](https://www.mozilla.org/en-US/MPL/2.0/FAQ/ "License info")
-[![Build status](https://img.shields.io/travis/com/websnacksjs/websnacks/mainline?style=flat-square)](https://travis-ci.com/websnacksjs/websnacks "Build status for mainline branch")
+[![Build status](https://img.shields.io/github/check-runs/websnacksjs/websnacks/mainline?style=flat-square)](https://github.com/websnacksjs/websnacks/actions?query=branch%3Amainline "Build status for mainline branch")
 
 </div>