basicmob clowns (#78448)

## About The Pull Request

this is a mostly 1 to 1 port of simpleanimal clowns to basicmob clowns
this means they have 1 more brain cell
and they waddle



https://github.com/tgstation/tgstation/assets/70376633/0c5f01c7-fea2-4d8c-9fc1-764c1557e1b8



## Why It's Good For The Game


![image](https://github.com/tgstation/tgstation/assets/70376633/f92c85ea-33f2-4cf3-858f-103c0958ff97)

## Changelog
🆑
refactor: clowns are basicmobs now
/🆑

---------

Co-authored-by: san7890 <the@san7890.com>
Co-authored-by: Jacquerel <hnevard@gmail.com>

code/modules/mob/living/basic/basic.dm

@@ -11,7 +11,7 @@
 
 	var/basic_mob_flags = NONE
 
-	///Defines how fast the basic mob can move. This is a multiplier
+	///Defines how fast the basic mob can move. This is not a multiplier
 	var/speed = 1
 	///How much stamina the mob recovers per second
 	var/stamina_recovery = 5