fix: text mangling in capacitor builds (#4)

This is targeted specifically for mobile devices running on Capacitor.
Adding `Capacitor` manually to your UserAgent will enable this fix for you.

src/js/jagex2/graphics/PixFont.ts

@@ -11,9 +11,17 @@ export default class PixFont extends Hashable {
     static readonly CHARCODESET: number[] = [];
 
     static {
+        const isCapacitor: boolean = navigator.userAgent.includes('Capacitor')
+
         for (let i: number = 0; i < 256; i++) {
             let c: number = PixFont.CHARSET.indexOf(String.fromCharCode(i));
 
+            // This fixes text mangling in Capacitor native builds (Android/IOS)
+            if (isCapacitor)
+                if (c >= 63) { // "
+                    c--
+                }
+
             if (c === -1) {
                 c = 74; // space
             }