Add Polaris Chord Support (#361)

## Link to GitHub Issue, if one exists
n/a

## Description of change
Adds support for Polaris Chord

## Testing
Tested with XIF:J:A:A:2024122300. IO/ICCA works, game successfully
connects to server and is playable.

src/spice2x/launcher/options.h

@@ -118,6 +118,7 @@ namespace launcher {
             LoadCCJModule,
             LoadQKSModule,
             LoadMFGModule,
+            LoadPCModule,
             LoadMusecaModule,
             PathToModules,
             ScreenshotFolder,
@@ -202,6 +203,8 @@ namespace launcher {
             MFGArgs,
             MFGCabType,
             MFGNoIO,
+            PCArgs,
+            PCNoIO,
             spice2x_LightsOverallBrightness,
             spice2x_WindowBorder,
             spice2x_WindowSize,