feat: erc165 support interface (#281)

Adds erc165 standard altogether with a proc macro, that lets to compute
interface id in a simple way.

<!-- Fill in with issue number -->
Resolves #33

#### PR Checklist

- [x] Tests
- [x] Documentation

---------

Co-authored-by: Daniel Bigos <[email protected]>
(cherry picked from commit 9b04143)

examples/erc20/tests/abi/mod.rs

@@ -27,6 +27,8 @@ sol!(
 
  function supportsInterface(bytes4 interface_id) external view returns (bool supportsInterface);
 
+ function supportsInterface(bytes4 interface_id) external view returns (bool supportsInterface);
+
  error EnforcedPause();
  error ExpectedPause();