[ISSUE #174][SEARCH] Filter logs for ECU

[svlad-90]

[ISSUE #174][SEARCH] Filter logs for ECU

1. [x] Have you followed the guidelines in our Contributing document?
2. [x] Have you checked to ensure there aren't other open Pull Requests for the same update/change?
3. [] Have you built the project, and performed manual testing of your functionality for all supported platforms - Linux and Windows? Checked only on Linux. Should work on Windows in the same way.
4. [x] Is your change backward-compatible with the previous version of the plugin?

Change description:

• Extended settings manager
• Added new context menu items
• Refactored the analyzer component to pass and consider search columns parameter
• Adjusted the highlighting logic
• Updated README.md

Verification criteria:

• Manually checked different use-cases on Ubuntu OS