AC: Code Convention, rules to PRs/Commits, AC, static analysis, formatting

[MikalaiB]

It needs to complete:

• Add Code of Conduct
• Add Contributing guideline
• Suggest Security policy to set up (not implement directly)
• Add Issue templates
• Add Pull request template
• Check possibility of static analysis introduction (not implement directly)
• Add DoD according to unit pytests

[nochore]

• https://github.com/ProjectAlita/application-tools/community