Build script and instructions (#270)

Build script and instructions + minor cleanups

README.md

@@ -40,3 +40,16 @@ gauge.js can be wrapped to a number of frameworks. Here are some examples:
 
 * **Vue**
  * [vgauge](https://github.com/amroessam/vgauge)
+* **React**
+ * [react-gaugejs](https://github.com/keanemind/react-gaugejs)
+
+## Build instructions
+
+Build is a two-step process. First, the CoffeeScript source `gauge.coffee` is converted to `gauge.js`. Next, [terser](https://www.npmjs.com/package/terser) produces the minified distribution file `gauge.min.js`.
+
+```bash
+# Install development dependencies
+npm install
+# Run the build
+npm run build
+```

index.html

@@ -96,7 +96,7 @@ <h2>Features</h2>
  <li>No dependencies (jQuery is <a href="#jquery">supported</a>, but not required)</li>
  <li>Highly configurable</li>
  <li>Resolution independent</li>
- <li>Animated guage value changes (!)</li>
+ <li>Animated gauge value changes (!)</li>
  <li>Works in all major browsers</li>
  <li>MIT License</li>
 </ul>

package.json

@@ -8,5 +8,14 @@
  "url": "[email protected]:bernii/gauge.js.git"
  },
  "author": "bernii",
- "license": "MIT"
+ "license": "MIT",
+ "devDependencies": {
+ "coffeescript": "^1.12.7",
+ "terser": "^5.27.1"
+ },
+ "scripts": {
+ "build:coffee": "coffee -c -m -o ./dist/ ./dist",
+ "minify": "terser ./dist/gauge.js -m -o ./dist/gauge.min.js -c",
+ "build": "npm run build:coffee && npm run minify"
+ }
 }