+ Created CommandRunner struct to house all the bot commands
+ Streamlines registering app commands and dispatching commands
+ Bit of hecky rust that may need to be cleaned up
+ Clippy + Fmt
+ Uses application commands from discord
+ Tried to follow a similar structure to how the API handles commands
+ Implements add_location, add_item, selling, and find
+ Needs a lot of work lol
+ clippy + fmt