Redesign Chroma around configurable comptime themes

.github/workflows/zig_test.yml

@@ -1,35 +1,55 @@
-# This is a basic workflow to help you get started with Actions
-
 name: CI
 
-# Controls when the workflow will run
 on:
-  # Triggers the workflow on push or pull request events but only for the "main" branch
   push:
-    branches: ["main"]
+    branches: [main]
   pull_request:
-    branches: ["main"]
-
-  # Allows you to run this workflow manually from the Actions tab
+    branches: [main]
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 jobs:
   test:
+    name: Test (${{ matrix.os }})
     strategy:
+      fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-    runs-on: ${{matrix.os}}
+    runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v2
-      - uses: mlugg/setup-zig@v1
+      - uses: actions/checkout@v6
+      - uses: mlugg/setup-zig@v2
         with:
           version: 0.16.0
       - run: zig build test
-  lint:
+
+  cross-build:
+    name: Build (${{ matrix.target }})
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        target:
+          - x86_64-linux
+          - aarch64-linux
+          - x86_64-windows
+          - aarch64-macos
+    steps:
+      - uses: actions/checkout@v6
+      - uses: mlugg/setup-zig@v2
+        with:
+          version: 0.16.0
+          cache-key: ${{ matrix.target }}
+      - run: zig build -Dtarget=${{ matrix.target }}
+
+  format:
+    name: Formatting
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: mlugg/setup-zig@v1
+      - uses: actions/checkout@v6
+      - uses: mlugg/setup-zig@v2
         with:
           version: 0.16.0
       - run: zig fmt --check .