Update README.md

README.md

@@ -1,10 +1,37 @@
 # Build
 
+## Usage
+
+To install the package, run the following command in your terminal:
+
+```bash
+npm install --dev github:anvil-solutions/build
+```
+
+To use the package in your project, you can follow the example below:
+
+```javascript
+import { build } from 'build';
+
+const ROOT_DIRECTORY = 'public';
+
+await build({
+  directories: [ROOT_DIRECTORY],
+  ignoreList: [
+    '.d.ts',
+    '.git',
+    '.test.js'
+  ],
+  outDirectory: 'out',
+  rootDirectory: ROOT_DIRECTORY
+});
+```
+
 ## Development
 
-Make sure you have npm (Node Package Manager) and Node.js installed on
-your system before running this command. Additionally, run `npm install` in
-the project's root directory to install all required dependencies.
+Run `npm install` in the project's root directory to install all required
+dependencies. Additionally, make sure you have npm (Node Package Manager) and
+Node.js installed on your system before running this command.
 
 ## Linting
 
@@ -25,3 +52,12 @@ and TypeScript:
 npm run eslint
 npm run tsc
 ```
+
+## Testing
+
+To ensure your code is functioning correctly and to catch any potential issues
+early, you can use the following command to run tests using Vitest:
+
+```bash
+npm run test
+```