docs: fixes in shipping, payment, and other documentations

* added integration

* add segment for API reference

* updated frontend checkout flow

* added paypal documentation

* Improve storefront quickstart documents

* added documentation for entities

* docs: disable running tests for docs

* added docs contribution guidelines

* Use npm2yarn where missing

* added additional steps section

* added notification overview

* Added guidelines for sidebar labels

* added how to create notification provider

* fixes

* fixes for payment provider

* fixes

* chore(deps): bump sqlite3 from 5.0.2 to 5.0.3 (#1453)

Bumps [sqlite3](https://github.com/TryGhost/node-sqlite3) from 5.0.2 to 5.0.3.
- [Release notes](https://github.com/TryGhost/node-sqlite3/releases)
- [Changelog](https://github.com/TryGhost/node-sqlite3/blob/master/CHANGELOG.md)
- [Commits](https://github.com/TryGhost/node-sqlite3/compare/v5.0.2...v5.0.3)

* fix: Issue with cache in CI pipeline

* Use npm2yarn where missing

* added integration

* add segment for API reference

* fix double segment

* updated frontend checkout flow

* added documentation for entities

* added docs contribution guidelines

* Added guidelines for sidebar labels

* added additional steps section

* added notification overview

* added how to create notification provider

* chore: Add issue template for bug reports (#1676)

* chore: Add issue template for feature requests (#1679)

* fixes

* fixes for payment provider

* fixes

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Oliver Windall Juhl <59018053+olivermrbl@users.noreply.github.com>

docs/content/advanced/backend/subscribers/events-list.md

@@ -167,7 +167,7 @@ Triggered when a cart and data associated with it (payment sessions, shipping me
 </td>
 <td>
 
-The entire cart as an object. You can refer to the [Cart model](https://github.com/medusajs/medusa/blob/master/packages/medusa/src/models/cart.ts) for an idea of what fields to expect.
+The entire cart as an object. You can refer to the [Cart entity](https://github.com/medusajs/medusa/blob/master/packages/medusa/src/models/cart.ts) for an idea of what fields to expect.
 
 </td>
 </tr>
@@ -476,7 +476,7 @@ Triggered when a customer is created.
 </td>
 <td>
 
-The entire customer passed as an object. You can refer to the [Customer model](https://github.com/medusajs/medusa/blob/master/packages/medusa/src/models/customer.ts) for an idea of what fields to expect.
+The entire customer passed as an object. You can refer to the [Customer entity](https://github.com/medusajs/medusa/blob/master/packages/medusa/src/models/customer.ts) for an idea of what fields to expect.
 
 </td>
 </tr>
@@ -494,7 +494,7 @@ Triggered when a customer is updated including their information or password, or
 </td>
 <td>
 
-The entire customer passed as an object. You can refer to the [Customer model](https://github.com/medusajs/medusa/blob/master/packages/medusa/src/models/customer.ts) for an idea of what fields to expect.
+The entire customer passed as an object. You can refer to the [Customer entity](https://github.com/medusajs/medusa/blob/master/packages/medusa/src/models/customer.ts) for an idea of what fields to expect.
 
 </td>
 </tr>
@@ -1338,7 +1338,7 @@ Triggered when a product and data associated with it (options, variant orders, e
 </td>
 <td>
 
-The entire product passed as an object. You can refer to the [Product model](https://github.com/medusajs/medusa/blob/master/packages/medusa/src/models/product.ts) for an idea of what fields to expect.
+The entire product passed as an object. You can refer to the [Product entity](https://github.com/medusajs/medusa/blob/master/packages/medusa/src/models/product.ts) for an idea of what fields to expect.
 
 </td>
 </tr>