mac os example (#19)

pubspec.lock

@@ -103,9 +103,11 @@ packages:
   flutter_webrtc:
     dependency: "direct main"
     description:
-      name: flutter_webrtc
-      url: "https://pub.dartlang.org"
-    source: hosted
+      path: "."
+      ref: master
+      resolved-ref: c47593c429faaf6853b9a9bd62ef8fc96beff54a
+      url: "https://github.com/flutter-webrtc/flutter-webrtc"
+    source: git
     version: "0.6.10+hotfix.1"
   http:
     dependency: "direct main"
@@ -113,7 +115,7 @@ packages:
       name: http
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.13.3"
+    version: "0.13.4"
   http_parser:
     dependency: transitive
     description:
@@ -198,13 +200,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.3"
-  pedantic:
-    dependency: transitive
-    description:
-      name: pedantic
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.11.1"
   platform:
     dependency: transitive
     description:
@@ -218,7 +213,7 @@ packages:
       name: plugin_platform_interface
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.1"
+    version: "2.0.2"
   process:
     dependency: transitive
     description:
@@ -300,7 +295,7 @@ packages:
       name: uuid
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.0.4"
+    version: "3.0.5"
   vector_math:
     dependency: transitive
     description: