fixed `There is no current event loop in thread` exception when web options handler called

Fixed issues with API v2 post-processing

Merged base handler render_string and render methods into render method
Refactored base handlers for API v1 and v2
Fixed redirect issues for auth handlers

Refactored SR API to be enabled for core functions and allow users to opt out of other non-essential functions

Added schedule for updating web server ssl certificates once a day
Added JWT token auth to web socket server
Added SiCKRAGE AMQP messaging
Refactored version updates to be handled by AMQP
Refactored network timezone updates to be handled by AMQP
Refactored search provider url updates to be handled by AMQP
Refactored how application version is stored and accessed
Refactored app update system
Added automated gitlab releasing to CI script
Refactored torrent trackers to come from SR API

Added nzbName param to API v2 post-processing endpoint
Removed yarn.lock from .gitignore
Updated yarn.lock file

Refactoring coming episodes class code to resolve performance issues
Refactored names of API v2 class endpoints
Moved startup message to appear after web server is started
Fixed launching browser to use a proper IP address when SR is set to listen on all interface's

Added schedule API v2 endpoint

Refactored APIv2BaseHandler to APIBaseHandler
Added API base method to generate swagger.json
Added API v2 schema validation method for requests
Added application API v2 documentation and validation for post-processing endpoint
Added application API v2 documentation and validation for episode manual search endpoint
Added application API v2 documentation and validation for episode rename endpoints
Added application API v2 documentation and validation for series endpoints

Split API endpoints into v1 and v2
Refactored allowed web methods to include PUT, DELETE, and OPTIONS
Refactored allowed web headers to include content-type and authorization
Added new series API v2 endpoints
Refactored TVShow airs_next, airs_prev, episodes_unaired, episodes_snatched, episodes_downloaded, and episodes_special methods
Added new TVShow method epsiodes_total to speed-up main show page load times
Added marshmallow to de-serialize SQLAlchemy data for sending back to UI frontend
Added config API v2 endpoint
Converted statusStrings from UserDict to built-in dict without composite splitting
Added IMDbInfo Schema to output json to frontend
Added API v2 Authorization header handling to connect frontend to backend securely
Added API v2 patch method for updating series data
Added API v2 JSON error handler
Refactored how web async calls are done
Added allowed and preferred qualities props to show object
Added poster and banner props to show object
Added to_json method to both show and episode objects
Refactored show object get_overview function into episode object overview property
Added episode manual search API v2 endpoint
Added series episodes rename API v2 endpoint
Refactored languages API endpoint for TheTVDB API client
Refactored indexerAPI indexers function to return list of indexers
Added file browser API v2 endpoint
Updated requirements.txt to work with Python 3.9.x
SR Auth certs are now grabbed and stored to avoid rate-limit issues
Added series API v2 endpoint to add new shows
Added retrieve series metadata API v2 endpoint
Fixed parsing seeders/leechers for IPTorrents
Updated URL for gktorrents

Refactored search clients into classes for NZB and Torrents
Refactored web session core class to add 1s sleep during connection errors for retries
Refactored using IOLoop.current() to get main ioloop, reverted back to using core variable that calls IOLoop.current() once
Refactored add show options to include sports, dvdorder, subtitle metadata, and air-by-date options

OAuth2 tokens requested with scope offline_access, exchange no longer required.
Logout clears cookies and does not revoke refresh tokens.
Existing token.json migrated into cache.db.
Refactorted qBittorrent client to work with v4.1+ new API.

refactored provider test cases

WebSessions now called on demand
Refactored WebSessions class
Added provider test for urls
Added cloudflare web hook for requests
Fixed yggtorrent provider
Refactored tests

fixed issues with mediaToSiCKRAGE code