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/cjs/ui/scanner/camera-selection-ui.d.ts

@@ -0,0 +1,17 @@
+import { CameraDevice } from "../../camera/core";
+export declare class CameraSelectionUi {
+    private readonly selectElement;
+    private readonly options;
+    private readonly cameras;
+    private constructor();
+    private render;
+    disable(): void;
+    isDisabled(): boolean;
+    enable(): void;
+    getValue(): string;
+    hasValue(value: string): boolean;
+    setValue(value: string): void;
+    hasSingleItem(): boolean;
+    numCameras(): number;
+    static create(parentElement: HTMLElement, cameras: Array<CameraDevice>): CameraSelectionUi;
+}