feat(core): update session, security system and QR exchange

- Removed session creation and Lightning payment logic
- Refactored security system:
  * no more restrictions
  * all systems enabled on session creation
- Improved QR code exchange for mobile devices

node_modules/html5-qrcode/third_party/zxing-js.umd.d.ts

@@ -0,0 +1,43 @@
+import * as ZXing from "./zxing-js.umd";
+
+declare class HTMLCanvasElementLuminanceSource {
+    constructor(canvas: HTMLCanvasElement);
+}
+
+declare class HybridBinarizer {
+    constructor(luminanceSource: HTMLCanvasElementLuminanceSource);
+}
+
+declare class BinaryBitmap {
+    constructor(binarizer: HybridBinarizer);
+}
+
+declare class MultiFormatReader {
+    constructor(verbosity: boolean, b: any);
+    decode(binaryBitmap: BinaryBitmap): any;
+}
+
+export declare enum DecodeHintType {
+    POSSIBLE_FORMATS = 2,
+    TRY_HARDER = 3
+}
+
+export declare enum BarcodeFormat {
+    AZTEC = 0,
+    CODABAR = 1,
+    CODE_39 = 2,
+    CODE_93 = 3,
+    CODE_128 = 4,
+    DATA_MATRIX = 5,
+    EAN_8 = 6,
+    EAN_13 = 7,
+    ITF = 8,
+    MAXICODE = 9,
+    PDF_417 = 10,
+    QR_CODE = 11,
+    RSS_14 = 12,
+    RSS_EXPANDED = 13,
+    UPC_A = 14,
+    UPC_E = 15,
+    UPC_EAN_EXTENSION = 16
+}