Add initial draft of ostc-requirements tool

This tool uses GitLab API to determine the weight of each requirement
individually.

Signed-off-by: Zygmunt Krynicki <zygmunt.krynicki@huawei.com>
4 jobs for feature/tool in 35 seconds (queued for 3 seconds)
latest
Status Job ID Name Coverage
  Compliance
passed #18966
reuse

00:00:03

 
  Test
passed #18967
format

00:00:04

passed #18968
test

00:00:13

56.7%
 
  Build
passed #18969
build

00:00:12