File names to camelCase

[AlejandroLabourdette]

This PR include a lint rule to check file names case
fix #833

Modify file names in order to have the same format across the entire project (camelCase). Keep in mind to update imports when doing so

[swapnilraj]

Hey we only need the src files to be camel case, the files in example_contracts can be ignored by this rule

[AlejandroLabourdette]

Hey we only need the src files to be camel case, the files in example_contracts can be ignored by this rule

Hi, lint just inspect .ts files by default, Solidity files are not examined, but I change them anyway to have the same naming pattern.

[JorikSchellekens]

Can you make the lint work for js files as well?

[AlejandroLabourdette]

Can you make the lint work for js files as well?

It also works for js, the above idea was that sol files could not be parsed by eslint.