fix: exclude package.json from .prettierignore

Author: aminya

.prettierignore

@@ -1,8 +1,4 @@
 node_modules
-package.json
-package-lock.json
 pnpm-lock.yaml
-changelog.md
-coverage
-build
+package-lock.json
 dist

README.md

@@ -39,18 +39,16 @@ Add the following to your `package.json`
 
 and run `npm run format` to format the files. You can also use `npm run test.format` in the CI to test formatting of the project.
 
-To ignore some files from formatting, create a `.prettierignore` file and add the files to the list.
+To ignore some files from formatting, create a `.prettierignore` file and add the files to the list. This is usually the same as `gitignore`.
 
 ```
 node_modules
-package.json
-package-lock.json
-yarn.lock
 pnpm-lock.yaml
-coverage
+package-lock.json
+dist
 ```
 
-Also add the built folders like `dist` to the above list.
+Notice that the built folders like `dist` are in the above list.
 
 ### Modifying the config