pass SDK and version number to server, v0.5.0 (#14)

* pass SDK and version number to server, v0.5.0

* missing files and formatting

* make format

* line length comment for VSCode

example/pubspec.lock

@@ -113,7 +113,7 @@ packages:
       name: flutter_webrtc
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.6.9"
+    version: "0.6.10"
   google_fonts:
     dependency: "direct main"
     description:
@@ -155,7 +155,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "0.4.1"
+    version: "0.5.0"
   logging:
     dependency: "direct main"
     description: