docs: Prepared Prerequisites, Command line mode and Configuration pages

[o-kopysov]

Pull Request

Description

Current PR contains the next portion of changes in GH Pages documentation.

Structure of the website:

• Home: index.md
• User Guide:
  • User guide: user-guide/README.md
  • Service mode:
    • GitHub webhook configuration: user-guide/service/webhook.md
    • Run service using pre-built Docker image: user-guide/service/docker.md
    • Build and run service from the source code:
      - Prerequisites:
      - Scanner installation: user-guide/service/scanner.md
      - Database configuration: user-guide/service/database.md
      - Build and run service: user-guide/service/build-and-run.md
      - Command line mode:
      - Single scan of the pull request: user-guide/cli/cli_pr.md
      - Single scan of local files: user-guide/cli/cli_file.md
      - Configuration:
      - Configuration options: user-guide/config/options.md
      - Database customization: user-guide/config/database.md
• Developer Guide:
  • Developer guide: dev-guide/README.md
  • Contributing guide: dev-guide/contributing.md
  • Testing policy: dev-guide/testing_policy.md
  • Code review requirements: dev-guide/code-review-requirements.md
  • API reference: dev-guide/api.md
  • Integration guide: dev-guide/integration.md
• About:
  • License: about/license.md
  • Releases: about/releases.md

Bold means that pages are included in this pull request.

Some pages:

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Code cleanup/refactoring
• Documentation update
• This change requires a documentation update
• CI system update
• Test Coverage update

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.67%. Comparing base (99b2fb7) to head (b2f1625).

Additional details and impacted files

@@            Coverage Diff            @@
##               main     #597   +/-   ##
=========================================
  Coverage     93.67%   93.67%           
  Complexity      608      608           
=========================================
  Files            49       49           
  Lines          2104     2104           
  Branches        244      244           
=========================================
  Hits           1971     1971           
  Misses           61       61           
  Partials         72       72           

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[t-naumenko]

Great documentation improvements! Thanks!