replace: travis-ci with github actions

Signed-off-by: Beau Hastings <[email protected]>

.github/workflows/shellcheck.yml

@@ -0,0 +1,28 @@
+name: ShellCheck CI
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  shellcheck:
+    name: Run ShellCheck
+    runs-on: ubuntu-latest
+
+    steps:
+      # Step 1: Check out the code
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      # Step 2: Install ShellCheck
+      - name: Install ShellCheck
+        run: sudo apt-get install -y shellcheck
+
+      # Step 3: Run ShellCheck on all shell scripts
+      - name: Run ShellCheck
+        run: |
+          shellcheck **/*.sh

README.md

@@ -149,7 +149,7 @@ Copyright (C) 1989, 1991 Free Software Foundation, Inc.
 
 [alsa-utils]: https://alsa.opensrc.org/Alsa-utils
 [bspwm]: https://github.com/baskerville/bspwm
-[build]: https://travis-ci.org/hastinbe/i3-volume.svg?branch=master
+[build]: https://github.com/hastinbe/i3-volume/actions/workflows/shellcheck.yml/badge.svg
 [dunst]: https://dunst-project.org
 [herbe]: https://github.com/dudik/herbe
 [KDE]: https://kde.org