Authentication and User Update properties

[VinyarionHyarmendacil]

Addresses #427
Adds GET /auth/twofactorauth/otp
Adds properties to CurrentUser and UpdateUserRequest

[jellejurre]

Error while bundling:
bundling openapi/openapi.yaml...
[1] openapi\components\requests\UpdateUserRequest.yaml:44:7 at #/properties/contentFilters/items

Can't resolve $ref: ENOENT: no such file or directory 'C:...\specification\openapi\components\requests\Tag.yaml'

42 | type: array
43 | items:
44 | $ref: ./Tag.yaml
45 | displayName:
46 | description: MUST specify currentPassword as well to change display name

Error was generated by the bundler rule.

[jellejurre]

TwoFactorAuth endpoint is https://api.vrchat.cloud/api/1/auth/user/twofactorauth/otp not https://api.vrchat.cloud/api/1/auth/twofactorauth/otp