Add missing info for /mqoverlay (#77)

* Updated other text to match in-game print.
* Resolves #76

Author: AlgarDude

reference/commands/mqoverlay.md

@@ -7,7 +7,7 @@ tags:
 ## Syntax
 <!--cmd-syntax-start-->
 ```eqcommand
-/mqoverlay [reload | resume | stop | start | cursor [on|off] debug [mouse|graphics|fonts|cursor]]
+/mqoverlay [reload | resume | stop | start | cursor [on|off] | perchar [on|off] | copy {[server] <character> | default} | debug [mouse|graphics|fonts|cursor]]
 ```
 <!--cmd-syntax-end-->
 
@@ -17,7 +17,13 @@ Simple controls for the imgui overlay in MacroQuest. If imgui crashes, it can be
 <!--cmd-desc-end-->
 ## Parameters
 
-- **reload** - Reloads the overlay
-- **resume** - If imgui crashes, it can be resumed with this option.
-- **start|stop** - Starts or stops the overlay
-- **debug** - overlay debug info
+- **reload** - Reload the overlay by shutting it down and starting it back up again.
+- **resume** - Resumes the overlay in the event that an error has occurred.
+- **stop** - Turns off the overlay. This state does not persist between MQ sessions.
+- **start** - Turns on the overlay.
+- **cursor [on|off]** - Turn cursor attachment emulation on/off (no param will toggle).
+- **perchar [on|off]** - Turn per character overlay INI file on/off (no param will toggle).
+- **copy** - Copy an overlay INI configuration to the currently logged in character.
+    - `copy [server] character` - From the specified server+character (defaults to current server).
+    - `copy default` - From the default overlay INI file.
+- **debug** - overlay debug info