Misc work tracker

[aahnik]

rough overview of features targetted to be implemented in this PR

• fix roles decorator leakage (fixed by saur via order of handlers fixing)
• put async await in old missing places

auth

• set expiry date for cookies

spaces

• get a full file (fixes Send full file from backend #63 )
• make location of storage directory configurable via env var, with default value of storage in cwd. Create empty directory if not exists.
• assureFileDoesNotExist must consider whether the file it is looking for is in trash or outside trash
• when we hit /meta/ by id, give space parent (if user is owner)
• when getFile by id, it would return data, if the current requester has access to requested file's parent dir

users

• password set/reset with jwt token with limited time validity
• allow admin to edit, delete, and create users
• allow admin to promote users to higher role
• allow admin to allot quotas to users (admin can give quotas, even without users paying for that)

billing

• implement billing logic for space quotas, and mod token plans
• /billing/spaces/quotaID
• /billing/mods/planID

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• paying would add +n month to expiry date
• can pay for single month, or multiple months (6 or 12) at once

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• after payment is success, unlock the paid feature
• update space quota , and expiry date a plan
• update modTokensRemaining
• define coupon codes
• system to automatically credit mod tokens at start of billing period (when user has multi-month plan)
• define limit on how much in advance an user can pay ( 1 mo, 6mo, 1 year)

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validations

• class validators, validate all input dtos

swagger

• document required validations in input dtos
• document all input and output dtos

[aahnik]

Send proper error response when email existing