Migrate APIMetadata api to nodejs

[SachiniSiriwardene]

Description

As per the architectural change, the backend logic of api metadata APIs needs to be moved to the node application. APIMetadata api is for CRUD operations related to the API's metadata and for managing the API content for the landing page. This task should include :

• APIMetadata CRUD operation
• API content / layout CRUD operation (including zip uploading logic)
• Integrate webapp to retrieve api data through new node api

Affected Component

APIM

Version

4.5

Related Issues

No response

Suggested Labels

No response

[SachiniSiriwardene]

PR: https://github.com/wso2/api-developer-portal-core/pull/36

[SachiniSiriwardene]

Do database changes according to the design review.

[SachiniSiriwardene]

Fix bugs when loading custom pages. Add support for identityprovider crud operations and fix bugs in the login flow. PR - https://github.com/wso2/api-developer-portal-core/pull/45