Add installer for Visual Studio Code

[JosephSemrai]

Added bash script supporting yum, dnf, apt, and pacman. Pacman requires git to be installed (is automated) to clone and build the project.

Related Docs:

• https://code.visualstudio.com/docs/setup/linux
• https://linuxize.com/post/how-to-install-visual-studio-code-on-centos-7/
• https://tecadmin.net/install-visual-studio-code-editor-in-fedora/
• https://stackoverflow.com/questions/52905069/how-to-install-vs-code-in-alpine-linux

Installer Script Request: https://github.com/leopardslab/installer.to/issues/24