Allow quickly checking native action implementation if it has one

[zalexzperez]

Just an idea to integrate native actions a little more.
Right click on the action like this:

And it should automatically take you to the highlighted action if it's found:

[mvladic]

Where should Studio look for the implementation? Studio by default doesn't create actions.cpp or actions.c. So, for this feature to work we need some setting where user will specify in which file native actions are implemented.

[zalexzperez]

You're right, I didn't think about that.
There should be a setting and if the user failed to provide a path, Studio will warn about it when using the Check implementation feature.