update readme and contributing from pnpm dev to pnpm watch

Author: raulrusu88

CONTRIBUTING.md

@@ -77,7 +77,7 @@ Small pull requests are much easier to review and more likely to get merged.
 1. Ensure you have [pnpm](https://pnpm.io/installation) installed
 1. After cloning the repository, run `pnpm install`. You can do this in the root directory or in the `svelte` project
 1. Move into the `svelte` directory with `cd packages/svelte`
-1. To compile in watch mode, run `pnpm dev`
+1. To compile in watch mode, run `pnpm watch`
 
 ### Creating a branch
 

README.md

@@ -47,7 +47,7 @@ pnpm build
 To watch for changes and continually rebuild the package (this is useful if you're using [`pnpm link`](https://pnpm.io/cli/link) to test out changes in a project locally):
 
 ```bash
-pnpm dev
+pnpm watch
 ```
 
 The compiler is written in JavaScript and uses [JSDoc](https://jsdoc.app/index.html) comments for type-checking.
@@ -58,10 +58,10 @@ The compiler is written in JavaScript and uses [JSDoc](https://jsdoc.app/index.h
 pnpm test
 ```
 
-To filter tests, use `-g` (aka `--grep`). For example, to only run tests involving transitions:
+### Running Type-Check
 
 ```bash
-pnpm test -- -g transition
+pnpm check
 ```
 
 ### svelte.dev