add Github Actions workflow

.github/workflows/ci.yml

@@ -0,0 +1,44 @@
+---
+name: build
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+jobs:
+  ci:
+    name: Run checks and tests over ${{matrix.otp}} and ${{matrix.os}}
+    runs-on: ${{matrix.os}}
+    strategy:
+      matrix:
+        otp: ['26.0', '27.0']
+        os: [ubuntu-latest]
+    steps:
+      - uses: actions/checkout@v4
+      - uses: erlef/setup-beam@v1
+        with:
+          otp-version: ${{matrix.otp}}
+          rebar3-version: '3.24.0'
+      - run: rebar3 compile
+      - run: rebar3 xref
+      - run: rebar3 efmt -c
+      - run: rebar3 eunit
+      - run: rebar3 dialyzer
+      - run: rebar3 edoc
+  cov:
+    needs: ci
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: erlef/setup-beam@v1
+        with:
+          otp-version: '27.0'
+          rebar3-version: '3.24.0'
+      - run: rebar3 eunit
+      - run: rebar3 cover
+      - run: rebar3 covertool generate
+      - run: cp _build/test/covertool/cuneiform.covertool.xml ./cobertura.xml
+      - run: sudo pip install codecov
+      - run: codecov