adding tests workflow

.github/workflows/test.yml

@@ -0,0 +1,38 @@
+name: Tests
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+        with:
+          submodules: recursive
+
+      - name: Install dependencies
+        run: sudo apt-get update && sudo apt-get install -y build-essential ninja-build libqhull-dev libgraphviz-dev pax-utils curl
+
+      - name: Build binary
+        run: make
+          make
+          make test
+        shell: bash
+
+      - name: Build tests
+        run: make test
+        shell: bash
+
+      - name: Run tests
+        run: |
+          make check
+        shell: bash

README.md

@@ -1,4 +1,4 @@
-# Loom   [![Build Status](https://github.com/broccolimicro/loom/actions/workflows/release.yml/badge.svg)](https://github.com/broccolimicro/loom/actions/workflows/release.yml) [![License](https://img.shields.io/badge/License-GNU_GPL_v3-blue.svg)](./COPYRIGHT) [![Documentation](https://img.shields.io/badge/Documentation-green.svg)](https://broccolimicro.github.io/loom)
+# Loom   [![Release Status](https://github.com/broccolimicro/loom/actions/workflows/release.yml/badge.svg)](https://github.com/broccolimicro/loom/actions/workflows/release.yml) [![Documentation](https://img.shields.io/badge/Documentation-green.svg)](https://broccolimicro.github.io/loom)
 
 Loom is a collection of tools for the design and verification of
 asynchronous circuits. Not all of the tools are complete.