Fix: (Minor Spelling Issue) (#9)

Fix minor spelling issue in the README.md.

README.md

@@ -353,7 +353,7 @@ int main(int argc, char **argv)
 }
 ```
 
-Comming soon...
+Coming soon...
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 We are preparing the open source for application manager and related cool samples like inter-application communication, application life cycle management, 2D graphic demo and more. You will get updated soon.