[doc] feat: move precision_debugger.md to ascend_turtorial index

[tardis-key]

What does this PR do?

move precision_dbeugger.md to ascend_turtorial

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[gemini-code-assist]

Code Review

This pull request relocates the link to the precision debugger documentation within the docs/index.rst file, moving it from one table of contents section to another. I have no feedback to provide.