Writing XSD for all API methods

[maul-esel]

The XSD for API output is currently incomplete. Missing files should be added.

API methods to write XSD for:

• version

items

• items/add (HTTP 204)
• items/list
• items/tags
• items/types
• items/describe
• items/remove (obsolete, and HTTP 204 anyway)
• items/rating

review

• items/review/accept (HTTP 204)
• items/review/reject (HTTP 204)
• items/review/status

stdlib

• stdlib/items

candidates

• stdlib/candidates/list
• stdlib/candidates/approve (HTTP 204)
• stdlib/candidates/describe
• stdlib/candidates/create
• stdlib/candidates/reject (HTTP 204)
• stdlib/candidates/accept (HTTP 204)
• stdlib/candidates/voting

pending

• stdlib/pending/list
• stdlib/pending/delay (HTTP 204)
• stdlib/pending/edit (HTTP 204)

releases

• stdlib/releases/list
• stdlib/releases/create
• stdlib/releases/describe
• stdlib/releases/delete (HTTP 204)
• stdlib/releases/modify (HTTP 204)
• stdlib/releases/publish (HTTP 204)

users

• users/list
• users/describe
• users/modify (HTTP 204)
• users/authorize (HTTP 204)
• users/unauthorize (HTTP 204)

registration

• users/registration/init (HTTP 204)
• users/registration/token (Outputs image)
• users/registration/verify (HTTP 204)

suspensions

• users/suspensions/list
• users/suspensions/create (HTTP 204)
• users/suspensions/delete (HTTP 204)

[maul-esel]

Also: add special XSD type for semver (see schema.xsd).

[maul-esel]

Required for #35.