message: docs: fix spelling of case variants in naming.md
  unify variant forms of spelling letter cases (upper-case, uppercase, lower case)
diff: @@ -7,7 +7,7 @@ See: https://github.com/Microsoft/TypeScript/wiki/Coding-guidelines
  Classes:
  - Example: `Compiler`, `ApplicationMetadata`
  - - Camel case with first letter upper-case
  + - Camel case with first letter uppercase
  - In general prefer single words. (This is so that when appending `Proto` or `Factory` the class
  is still reasonable to work with.)
  - Should not end with `Impl` or any other word which describes a specific implementation of an
  @@ -21,7 +21,7 @@ Interfaces:
  Methods and functions:
  - Example: `bootstrap`, `someMethod`
  - - Should be camel case with first lower case
  + - Should be camel case with first letter lowercase
  Constants:
  