Add tests to CI

.github/workflows/tests.yml

@@ -0,0 +1,28 @@
+name: Tests
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install
+        run: curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
+      - uses: actions/setup-node@v2
+        with:
+          node-version: "18.14"
+      - name: Install dependencies
+        working-directory: ./client
+        run: |
+          npm i
+      - name: Build project
+        working-directory: ./client
+        run: |
+          npm run build
+      - name: Test
+        working-directory: ./client
+        run: |
+          npm run test

README.md

@@ -1,8 +1,10 @@
 # Mandelbrot.site
 
-[![Deploy](https://github.com/rosslh/mandelbrot.site/actions/workflows/deploy.yml/badge.svg)](https://github.com/rosslh/mandelbrot.site/actions/workflows/deploy.yml) ![Uptime Robot status](https://img.shields.io/uptimerobot/status/m792388109-4c544ded2b0e440130ddd401)
+[![Tests](https://github.com/rosslh/mandelbrot.site/actions/workflows/tests.yml/badge.svg)](https://github.com/rosslh/mandelbrot.site/actions/workflows/tests.yml)
+[![Deploy](https://github.com/rosslh/mandelbrot.site/actions/workflows/deploy.yml/badge.svg)](https://github.com/rosslh/mandelbrot.site/actions/workflows/deploy.yml)
+![Uptime Robot status](https://img.shields.io/uptimerobot/status/m792388109-4c544ded2b0e440130ddd401)
 
-[mandelbrot.site](https://mandelbrot.site) is a web app that lets you explore the Mandelbrot set fractal. Built with Rust (compiled to Wasm) and TypeScript.
+[Mandelbrot.site](https://mandelbrot.site) is a web-based viewer that allows you to explore the fascinating world of the Mandelbrot set, a mathematical fractal. The project leverages cutting-edge web technologies, including Rust, WebAssembly (Wasm), TypeScript, and Leaflet.js, to create a high-performance, interactive, and visually captivating experience.
 
 ## Project Structure