Added references to related Python functions in documentation for better navigation and usability. Corrected inconsistencies in module and test names to align with their respective directories and improve clarity.
Updated all instances of "Ref:" to "Reference" for consistency in both code and documentation. This change improves clarity and aligns with standard terminology practices.
* refactor: rename files and update references for inverted pendulum and path tracking modules
* refactor: rename inverted pendulum control files and update type check references
* refactor: update import statements to use consistent casing for InvertedPendulum module
