Massive refactor/update/UX improvement dump. Closes #6.

src/pluralkit/db.py

@@ -294,6 +294,11 @@ async def add_switch_member(conn, switch_id: int, member_id: int):
     logger.debug("Adding switch member (switch={}, member={})".format(switch_id, member_id))
     await conn.execute("insert into switch_members (switch, member) values ($1, $2)", switch_id, member_id)
 
+@db_wrap
+async def delete_switch(conn, switch_id: int):
+    logger.debug("Deleting switch (id={})".format(switch_id))
+    await conn.execute("delete from switches where id = $1", switch_id)
+
 @db_wrap
 async def get_server_info(conn, server_id: int):
     return await conn.fetchrow("select * from servers where id = $1", server_id)