New js modules documentation added

documentation/doxygen/js.dox

@@ -12,7 +12,10 @@ JS modules use the Flipper app plugin system. Each module is compiled into a .fa
 
 - @subpage js_badusb - BadUSB module
 - @subpage js_serial - Serial module
+- @subpage js_math - Math module
 - @subpage js_dialog - Dialog module
+- @subpage js_submenu - Submenu module
+- @subpage js_textbox - Textbox module
 - @subpage js_notification - Notifications module
 
 */

documentation/js/js_badusb.md

@@ -111,10 +111,10 @@ badusb.println("Hello, world!");  // print "Hello, world!" and press "ENTER"
 
 | Name          |
 | ------------- |
-| CTRL          |            
-| SHIFT         |  
+| CTRL          |
+| SHIFT         |
 | ALT           |
-| GUI           |          
+| GUI           |
 
 ## Special keys
 

documentation/js/js_dialog.md

@@ -13,7 +13,7 @@ Show a simple message dialog with header, text and "OK" button.
 - Dialog header text
 - Dialog text
 
-### Retuns
+### Returns
 true if central button was pressed, false if the dialog was closed by back key press
 
 ### Examples:
@@ -25,14 +25,14 @@ dialog.message("Dialog demo", "Press OK to start");
 More complex dialog with configurable buttons
 
 ### Parameters
-Configuration object with the following fileds:
+Configuration object with the following fields:
 - header: Dialog header text
 - text: Dialog text
 - button_left: (optional) left button name
 - button_right: (optional) right button name
 - button_center: (optional) central button name
 
-### Retuns
+### Returns
 Name of pressed button or empty string if the dialog was closed by back key press
 
 ### Examples: