Documentation of `results/utils.rs`

[Razican]

Most of the code is still not documented. This is the tracking issue for results/utils.rs file documentation.

• [x] Module level documentation
• [x] Vulnerability struct:
  • [x] Struct level documentation.
  • [x] new() function.
  • [x] get_criticity() function.
  • [x] get_name() function.
  • [x] get_description() function.
  • [x] get_file() function.
  • [x] get_code() function.
  • [x] get_start_line() function.
  • [x] get_end_line() function.
• [x] FingerPrint struct.
  • [x] Struct level documentation. (it's wrong)
  • [x] new() function.
  • [x] get_md5() function.
  • [x] get_sha1() function.
  • [x] get_sha256() function.
• [x] split_indent() function.
• [x] Benchmark struct:
  • [x] Struct level documentation.
  • [x] new() function.