Deeplinking (#2760)

* feat(Deeplinking): Implement for web.

* ref(unsupported_browser): Move the mobile version to deeplinking feature

* feat(deeplinking_mobile): Redesign.

* fix(deeplinking): Use interface.NATIVE_APP_NAME.

* feat(dial_in_summary): Add the PIN to the number link.

* fix(deep_linking): Handle use case when there isn't deep linking image.

* fix(deep_linking): css

* fix(deep_linking): deeplink -> "deep linking"

* fix(deeplinking_css): Remove position: fixed

* docs(deeplinking): Add comment for the openWebApp action.

interface_config.js

@@ -23,9 +23,11 @@ var interfaceConfig = {
     SHOW_BRAND_WATERMARK: false,
     BRAND_WATERMARK_LINK: '',
     SHOW_POWERED_BY: false,
+    SHOW_DEEP_LINKING_IMAGE: false,
     GENERATE_ROOMNAMES_ON_WELCOME_PAGE: true,
     DISPLAY_WELCOME_PAGE_CONTENT: true,
     APP_NAME: 'Jitsi Meet',
+    NATIVE_APP_NAME: 'Jitsi Meet',
     LANG_DETECTION: false, // Allow i18n to detect the system language
     INVITATION_POWERED_BY: true,
 
@@ -161,7 +163,7 @@ var interfaceConfig = {
     /**
      * Specify mobile app scheme for opening the app from the mobile browser.
      */
-    // MOBILE_APP_SCHEME: 'org.jitsi.meet'
+    // APP_SCHEME: 'org.jitsi.meet'
 };
 
 /* eslint-enable no-unused-vars, no-var, max-len */