Add WonderSwan adapter PCB and schematics

Cart_Reader/WS.ino

@@ -21,22 +21,6 @@
 // C45         : /CART? (L when accessing cartridge (ROM/SRAM/PORT))
 // C46         : INT (for RTC alarm interrupt)
 // C47         : CLK (384KHz on WS)
-// ------------------------------------------
-// how to connect to CartReader
-// ------------------------------------------
-// /RST   : PH0
-// /CART? : PH3
-// /MMC   : PH4
-// /WE    : PH5
-// /OE    : PH6
-// CLK    : PE3
-// /IO?   : PE4 
-// INT    : PG5
-// A(-1)-A6: PF0-PF7
-// A7-A14:  PK0-PK7
-// A15-A18: PL0-PL3
-// D0-D7  : PC0-PC7
-// D8-D15 : PA0-PA7
 
 /******************************************
   Menu

pcb/README.md

@@ -14,6 +14,10 @@
 
 ![image](https://dl.dropboxusercontent.com/s/r6lavgoaccjtrz7/sms_adapter.png?dl=1)   
 
+#### wonderswan_adapter.zip is an add-on for reading WonderSwan carts. [PCB thickness needs to be changed to 1.2mm], this is very important or else it won't fit into the SNES slot.   
+
+![image]( https://www.dropbox.com/s/755249v8smcuoft/wonderswan_adapter.png?dl=1 )   
+
 #### flash_adapter.zip is an add-on for writing flashroms like the 29F032, 29L3211, 29LV160, [PCB thickness needs to be changed to 1.2mm](https://dl.dropboxusercontent.com/s/va1c72073cqfy90/pcb12.jpg?dl=1), this is very important or else it won't fit into the SNES slot.   
    
 ![image](https://dl.dropboxusercontent.com/s/afrfmiuwvmvg9px/flash_adapter.png?dl=1)