ci: Add a github action workflow

This workflow build liblc3 (linux, linux with meson, wasm) and
run the test in the test directory on linux.

.github/workflows/ci.yaml

@@ -0,0 +1,63 @@
+name: CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build-linux:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - run: gcc -v
+    - run: make
+
+  build-linux-meson:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-python@v5
+      with:
+        python-version: '3.10'
+        cache: 'pip'
+    - run: pip install meson ninja
+    - run: gcc -v
+    - run: meson setup builddir/
+      env:
+        CC: gcc
+    - run: meson compile -C builddir/
+
+  build-wasm:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - run: clang -v
+    - run: make CC="clang --target=wasm32"
+    - uses: actions/upload-artifact@v4
+      with:
+        name: liblc3.wasm
+        path: bin/liblc3.wasm
+
+  test-linux:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-python@v5
+      with:
+        python-version: '3.10'
+        cache: 'pip'
+    - run: pip install scipy numpy
+    - run: gcc -v
+    - run: make test
+
+  install-python-linux:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-python@v5
+      with:
+        python-version: '3.10'
+        cache: 'pip'
+    - run: pip install .