docs: Add more presentable README

[samirakhmedov]

Related tasks

7

Dependence on other Pull Requests (optional)

7

Changes

Added more presentable README for yandex_mapkit_lite package.

Troubles (optional)

There is a lot of work to be done on this package - not only the examples and their appearence, but also some bugs should be fixed ASAP.

Checklist for self-check

• [x] Commits and PRs have been filed according to the rules on the project.
• [x] The author is marked as an assigne and assigned mandatory reviewers.
• [x] Required labels marked
• [x] Specified related tasks and/or related PRs.
• [x] Specified Changes.
• [x] Attached videos/screenshots demonstrating the fix/feature.
• [x] All unspecified fields in the PR description deleted.
• [ ] New code covered by tests.

Checklist for reviewers

• [ ] CI passed successfully (with a green check mark).
• [ ] PR is atomic, by volume no more than 400 (+-) corrected lines (not including codogen).

Design:

• [ ] System design corresponds to the agreements on structure and architecture on the project.
• [ ] The code is decomposed into necessary and sufficient components.

Functionality:

• [ ] The code solves the problem.
• [ ] Any changes to the user interface are reasonable and look good.

Complexity:

• [ ] The code is clear, easy to read, functions are small, no more than 50 lines.
• [ ] The logic is not overcomplicated, there is no overengineering (no code sections that may be needed in the future, but no one knows about it).

Tests:

• [ ] Updated or added tests for mandatory components.
• [ ] The tests are correct, helpful, and well designed/developed.

Naming:

• [ ] The naming of variables, methods, classes and other components is understandable.

Comments:

• [ ] The comments are understandable and helpful.

Documentation:

• [ ] All labels are correct
• [ ] Technical documentation updated (after approval, updates last reviewer).