CalVer Versioning Scheme & Deprecation of Ubuntu 18.04

Added

• hey-email snap for https://hey.com/
• pavucontrol GUI for pulseaudio (control and stability of headphones for audio/video conferencing)
• yadm dotfile manager
• pylance VSCode Extension
• Okular KDE Document Viewer
• Hyper Terminal, with "pane:splitHorizontal": "ctrl+shift+f", // changed from "ctrl+shift+e" because vercel/hyper#3660

Changed

• updated Makefile to have persistent PATH to resolve #164, thanks for the help ieguiguren.
• Dropped zsh-users/zsh-autosuggestions plugin from iancleary/ansible-role-zsh_antibody role
• Reorganized software documentation section into alphabetical categories
• Bumped gh to v0.11.0
• Fixed bug where gsetting custom entries list didn't contain hyper and flameshot
• Changed to CalVer Version Scheme YYYY.MINOR.MICRO
• Deprecating Ubuntu 18.04 LTS

Removed

• kite autocompletion
• .vscode folder (spellcheck is in dotfiles not repo)
• Evolution and Protonmail-Bridge flatpaks