fix(rpc.md): fix some nits in rpc.md (#62)
fix(rpc.md): fix some nits in rpc.md (#62)

* Unify white space.
* Unify variables casing.
* Unify comment casing and punctuation.
* Unify using template literals instead of stringg concatenation.

* Add a missing code block label.
* Add a missing name in function declaration.

* Fix a typo in a property name.
GoogleChromeLabs/carlo,GoogleChromeLabs/carlo