* Initial Boards+Channels implementation
* Adding draft code to list the boards in a channel
* Adding the hability to link/unlink channels (fake channel for now)
* Simplify slight the migrations
* WIP
* More changes to improve the implementation
* Adding partial implementation of linking channel from board
* Allow linking in both directions
* Removing unused file
* More work on channel binding
* some refactoring
* Improving code quality and interface
* More improvements
* Changing the API to search channels
* Adding a limit of 10 channels in search
* Add confirmation on linking public channels
* Improve a bit the styling of the confirmation modal
* Showing the current linked channel
* Adding link board confirmation to channel interface
* Fixing tests and linter errors
* Fixing backend tests
* Adding permissions tests
* Fixing linter errors
* Fixing small things
* Fixing some typescript errors
* Adding new boardSelectorItem tests
* Improving a bit tests
* Adding jest unit tests
* Remove duplicated implementation (from merge, I guess)
* Adding missed files
* Addressing some of the PR review comments
* Removing unneeded new wrapIntl implementation
* Moving NotSupportedError to the store package to be share between all the store implementations or layers
* Fixing one of the pendings ToDo
* Creating a constructor for the NotSupportedError
* Fixing linter error
* Improving mattermost auth implementation
* Making mattermost-auth based on shared database access
* Reverting unneeded changes in the config.json file
* Fixing tiny problems
* Removing the need of using the mattermost session token
* Fixing some bugs and allowing to not-bind the server to any port
* Small fix to correctly get the templates
* Adding the mattermost-plugin code inside focalboard repo
* Adding a not working code part of the cluster websocket communication
* Updating the mattermost version
* Adding the cluster messages for the websockets
* Updating to the new node version
* Making it compatible with S3
* Addressing some tiny problems
* Fixing server tests
* Adds support for MySQL migrations and initialization
Co-authored-by: Miguel de la Cruz <miguel@mcrx.me>