added modmail with some simple features (chat between user and moderator), and initial server selection (currently allows all servers, and does not consider the modmail feature)
added the initial commands, not all of them hold logic currently
added some checks to not crash when a command has null configuration
changed systemconfig to also have a long value, because double is not fit for all cases
added locking mechanism, to effectively lock the whole table without using the ... proper locking mechanism (needs to be reviewed)
changed interface in channel service to be a message channel instead of a textChannel
changed starboard post to be a user in a server instead of only user
includes: set role command to set a role to a given level (it clears out previous levels)
automatic level config generation on startup
min/max/multiplier configuration
job to persist the xp of the previous minute
added delayed scheduler start, so that events have a discord context in order to function
added role listener to automatically add and mark roles when they are created/deleted
fixed user in a server not being created correctly
added role service to give users role given by id
added server reference to role
added ability to create/accept/reject suggestions them
made commands async, because a lot of operations behave like that
in case the database is needed in an async operation, this needs to be in a separate transactional service
fixed ordering of Long parameters (server > channel > message)
added initial emote handling (no adding of emotes yet)
fixed creation of AUserInAServer, in case the user did not exist yet, when loading
changed PostTargetService to return Futures instead of being a void, in order to be able to act on the message posted
set logging level to debug
fixed help for different commands (templates had wrong naming)
changed command context to be a member instead of user, commands are only supported within guilds
added custom exception templating for the error message
added error message in case the parameters for a command were too little
added support for templates on command help descriptions
added post execution to be executed to print exception messages
refactored command handling to be able to support exceptions
added user and userInServer management
