Auto PIN entry (#272)

## Link to GitHub Issue, if one exists
Fixes https://github.com/spice2x/spice2x.github.io/issues/193

## Description of change
Merges guardianblue's changes plus some code review feedback.

Adds the ability to automatically type out the digits of a PIN when an
overlay shortcut is pressed.

## Compiling
💯 

## Testing
Tested:
* 32 bit popn
* TDJ, 1p/2p
* KFC, UFC

src/spice2x/launcher/options.h

@@ -18,6 +18,8 @@ namespace launcher {
             PCBID,
             Player1Card,
             Player2Card,
+            Player1PinMacro,
+            Player2PinMacro,
             WindowedMode,
             InjectHook,
             EarlyInjectHook,