Mac merge

[jldeen]

• Fixed git credential config bug (global & local) (previously cached my username)
• Fixed copy bug in tmux mode when using jldeen dotfiles
• Fixed insert mode error in vim (allow backspacing over everything in insert mode)
• Fixed pip for setuptools upgrade
• Added checks in for zsh, oh-my-zsh install, and vs code symlink
• Added new features embedded with Powerlevel9k
  -Dir_writable
  • Kubernetes support
• Added iTerm and Azure CLI installs to brewfile for autoinstall
• Removed hardcode source from .zshrc and .bashrc for az
• Updated auto sourcing for zsh-autosuggestions plugin
• Updated settings.json for VS Code
• Updated iterm config
• Streamlined and enhanced bandwidth data performance
  • Speedtest-cli command moved to crontab to be run in 15min increments and output data to log
  • Tmux internet_info.sh reads log and prints relevant data
• General code cleanup and optimization