Add Support for normal commands with aliases

[naseif]

Discord did a great job with the new slash commands and I personally find them great, however a lot of people get confused when using them especialy if there are multiple bots in the server which have also commands registered in the server and even have the same command name. With the slash commands update, developers did not have to work with user input and handle arguments anymore, which makes the development easier. Rewriting every command to use both the messageCreate event and interactionCreate will take time, since parsing users, channels and roles will be more difficult. The goal now is to make sure there is another way of supporting both with less coding and repeated files in the repo.