Doc Hub proposal (flyteorg#303)

* Add description entity

Signed-off-by: Kevin Su <[email protected]>

* Add id

Signed-off-by: Kevin Su <[email protected]>

* wip

Signed-off-by: Kevin Su <[email protected]>

* few update

Signed-off-by: Kevin Su <[email protected]>

* update service

Signed-off-by: Kevin Su <[email protected]>

* update service

Signed-off-by: Kevin Su <[email protected]>

* Add description entity to task and workflow

Signed-off-by: Kevin Su <[email protected]>

* update des entity

Signed-off-by: Kevin Su <[email protected]>

* update

Signed-off-by: Kevin Su <[email protected]>

* nit

Signed-off-by: Kevin Su <[email protected]>

* typo

Signed-off-by: Kevin Su <[email protected]>

* address comment

Signed-off-by: Kevin Su <[email protected]>

* update idl

Signed-off-by: Kevin Su <[email protected]>

* list description entity

Signed-off-by: Kevin Su <[email protected]>

* make generate

Signed-off-by: Kevin Su <[email protected]>

* make generate

Signed-off-by: Kevin Su <[email protected]>

* Update service name

Signed-off-by: Kevin Su <[email protected]>

* update endpoint

Signed-off-by: Kevin Su <[email protected]>

* update endpoint

Signed-off-by: Kevin Su <[email protected]>

* remove create_description_entity endpoint

Signed-off-by: Kevin Su <[email protected]>

* Add description to task/workflow

Signed-off-by: Kevin Su <[email protected]>

* update

Signed-off-by: Kevin Su <[email protected]>

* address comments

Signed-off-by: Kevin Su <[email protected]>

* address comments

Signed-off-by: Kevin Su <[email protected]>

* fix tests

Signed-off-by: Kevin Su <[email protected]>

* nit

Signed-off-by: Kevin Su <[email protected]>

* fix test

Signed-off-by: Kevin Su <[email protected]>

* Add id.resource_type

Signed-off-by: Kevin Su <[email protected]>

* undeclared name: ResourceType

Signed-off-by: Kevin Su <[email protected]>

* update wrong code manually

Signed-off-by: Kevin Su <[email protected]>

* Fixed tests

Signed-off-by: Kevin Su <[email protected]>

* Fixed tests

Signed-off-by: Kevin Su <[email protected]>

Signed-off-by: Kevin Su <[email protected]>
Co-authored-by: Yee Hing Tong <[email protected]>