docs: Fix spelling and grammar errors in manuals

Fix various minor language issues across documentation:

- Fix typos: "OpenTelemtry" → "OpenTelemetry", "secion" → "section"
- Correct grammar: "method takes" → "method take", "th  [" → "the ["
- Improve phrasing: "for you" → "for your use case",
  "don't mind about" → "don't need to worry about"
- Fix tense consistency: "If you decided" → "If you decide"
- Remove redundant article: "the most of callbacks" → "most of the callbacks"

[ci skip]

Co-Authored-By: Claude <noreply@anthropic.com>