Add give cmd to readme (#649)

Author: wopox1337

README.md

@@ -27,6 +27,7 @@ This means that plugins that do binary code analysis (Orpheu for example) probab
 | game version                        | Will show GameDLL build version, date & URL. |
 | endround                            | Args:<br/>`T` force round end with Terrorists win. <br/>`CT` force round end with Counter-Terrorists win. <br/> or terminate round draw when called without arguments. |
 | swapteams                           | Swap the teams and restart the game. |
+| give                                | Give weapon command.<br/> Args:<br/><weapon_name><br/>Usage:<br/>`give weapon_ak47`<br/>`give weapon_usp`<br/><br/>NOTE: `sv_cheats 1` required. |
 
 ## Configuration (cvars)
 <details>