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/es2015/camera/core.d.ts

@@ -0,0 +1,41 @@
+export interface CameraDevice {
+    id: string;
+    label: string;
+}
+export interface CameraCapability<T> {
+    isSupported(): boolean;
+    apply(value: T): Promise<void>;
+    value(): T | null;
+}
+export interface RangeCameraCapability extends CameraCapability<number> {
+    min(): number;
+    max(): number;
+    step(): number;
+}
+export interface BooleanCameraCapability extends CameraCapability<boolean> {
+}
+export interface CameraCapabilities {
+    zoomFeature(): RangeCameraCapability;
+    torchFeature(): BooleanCameraCapability;
+}
+export type OnRenderSurfaceReady = (viewfinderWidth: number, viewfinderHeight: number) => void;
+export interface RenderingCallbacks {
+    onRenderSurfaceReady: OnRenderSurfaceReady;
+}
+export interface RenderedCamera {
+    getSurface(): HTMLVideoElement;
+    pause(): void;
+    resume(onResumeCallback: () => void): void;
+    isPaused(): boolean;
+    close(): Promise<void>;
+    getRunningTrackCapabilities(): MediaTrackCapabilities;
+    getRunningTrackSettings(): MediaTrackSettings;
+    applyVideoConstraints(constraints: MediaTrackConstraints): Promise<void>;
+    getCapabilities(): CameraCapabilities;
+}
+export interface CameraRenderingOptions {
+    aspectRatio?: number;
+}
+export interface Camera {
+    render(parentElement: HTMLElement, options: CameraRenderingOptions, callbacks: RenderingCallbacks): Promise<RenderedCamera>;
+}