GHA: Add basic CI

Author: TheBizzle

.github/workflows/ci.yml

@@ -0,0 +1,73 @@
+name: CI
+
+on:
+  push:
+  pull_request:
+
+jobs:
+
+  rust:
+    name: Rust
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
+        with:
+          toolchain: stable
+      - name: Run JSON
+        env:
+          RUSTFLAGS: ""
+        run: cargo run json
+        working-directory: rust
+
+  scala:
+    name: Scala
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      - uses: actions/setup-java@v5
+        with:
+          distribution: 'liberica'
+          java-version: 17
+          java-package: jdk+fx
+          cache: 'sbt'
+      - uses: sbt/setup-sbt@v1
+      - name: Run JSON
+        run: sbt "run json"
+        working-directory: scala
+
+  typescript:
+    name: TypeScript
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      - uses: actions/setup-node@v6
+        with:
+          node-version: "~24.13.1"
+      - name: Pin npm version
+        run: npm install -g "npm@~11.8.0"
+      - name: Install dependencies
+        run: npm install
+        working-directory: typescript
+      - name: Build
+        run: npm run build
+        working-directory: typescript
+
+  headless:
+    name: Headless NetLogo
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+        with:
+          fetch-depth: 0
+          submodules: true
+      - uses: actions/setup-java@v5
+        with:
+          distribution: 'liberica'
+          java-version: 17
+          java-package: jdk+fx
+          cache: 'sbt'
+      - uses: sbt/setup-sbt@v1
+      - name: Run headless
+        run: sbt 'run "../Ants.nlogox" 1 1000'
+        working-directory: headless