fix: codecov support, docs simplify

[aliev]

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[Copilot]

Copilot reviewed 3 out of 10 changed files in this pull request and generated no comments.

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• Makefile: Language not supported
• docs/source/contents.rst: Language not supported
• docs/source/index.rst: Language not supported
• docs/source/sections/examples/aiohttp.rst: Language not supported
• docs/source/sections/examples/fastapi.rst: Language not supported
• docs/source/sections/using/configuration.rst: Language not supported
• docs/source/sections/using/server_database.rst: Language not supported

Comments suppressed due to low confidence (2)

docs/source/conf.py:17

• The 'project' key in 'pyproject.toml' might not have a 'description' field. Add a check to ensure the field exists before accessing it.

project = about['project']['description']

docs/source/conf.py:18

• The 'authors' list in 'pyproject.toml' might not have a 'name' field. Add a check to ensure the field exists before accessing it.

author = about['project']['authors'][0]['name']

[codecov]

❌ We are unable to process any of the uploaded JUnit XML files. Please ensure your files are in the right format.