Major Release of femto.py following cleanup OIP

Summary: A clean-up and modernization of femto.py, complete with better tracking features and documentation.

Major Enhancements & New Features:

• Updated the script from Python 2 to Python 3
• Removed redundant and unused code, resulting in a significant reduction in total lines of code
• Added config files for each of the laser lockers and removed the hard coded locker configurations for femto.py
• Improved error writing and logging, complete with error timestamps and specific exceptions
• Added script performance tracking diagnostics that can be monitored in Grafana

Bug Fixes:

• Removed inaccurate UI error messages and replaced them with useful, specific messages
• Removed log-spamming print statements from script

Improved Documentation:

• Created a software flowchart in Confluence that reveals script functionality in a visually intuitive manner
• Added docstrings to all femto classes for improved readability