docs(contributing): guidelines to use yarn

.github/CONTRIBUTING.md

@@ -15,17 +15,17 @@ To get ready to work on the codebase, please do the following:
    - **If you are a first-time contributor**: Fork the repository, and make sure you're on the **master** branch
    - **If you are a repository collaborator**: Checkout and create a new branch from **master**
 
-2. Run `npm install`
+2. Run `yarn`
 3. Code your heart out!
 4. [Submit a pull request](https://github.com/aidenybai/lucia/compare) (Make sure you follow the [conventional commit format](https://github.com/aidenybai/lucia/blob/master/.github/COMMIT_CONVENTION.md))
 
 ## Tips
 
 - Common Scripts
-  - **Build for development:** `npm run dev`
-  - **Build for production:** `npm run build`
-  - **Run all tests:** `npm run test`
-  - **Prettier codebase:** `npm run cleanup`
+  - **Build for development:** `yarn dev`
+  - **Build for production:** `yarn build`
+  - **Run all tests:** `yarn test`
+  - **Prettier codebase:** `yarn cleanup`
 - You can make `test*.html` (wildcard is anything) at root for ad-hoc testing.
 
 ## Lucia Core

yarn.lock

@@ -4181,10 +4181,10 @@ rollup-plugin-typescript2@^0.30.0:
     resolve "1.20.0"
     tslib "2.1.0"
 
-rollup@2.41.5:
-  version "2.41.5"
-  resolved "https://registry.yarnpkg.com/rollup/-/rollup-2.41.5.tgz#e79cef8cc5c121612528f590319639b1f32da2d7"
-  integrity sha512-uG+WNNxhOYyeuO7oRt98GA2CNVRgQ67zca75UQVMPzMrLG9FUKzTCgvYVWhtB18TNbV7Uqxo97h+wErAnpFNJw==
+rollup@2.42.2:
+  version "2.42.2"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-2.42.2.tgz#4ea90d60539f47c5739df6ccce60bf47e2011992"
+  integrity sha512-o34Ar4rf01ky4EV1RFlTPd+tXICDz13a2o1PARLPFBxighJoPsxvliJTrULqjmIVpZP+JPm499ZPkvnPzRxUYA==
   optionalDependencies:
     fsevents "~2.3.1"