Adds git status decoration to status file nodes

Renames path to paths
Reworks sha regex & methods

Changes changelog image links to permalinks
Moves all images for docs into a docs folder
Removes unused images

Fixes path issues with git fs provider

Closes #354 - Adds line history explorer (wip)
Closes #456 - Adds repository status to the repository nodes

Updates dependencies

Replaces git content provider with git fs provider
Adds Buffer output support to git calls

To allow greater flexibility in how versioned files are implemented

Renames Show Branches and Tags -> Choose from Branch or Tag History...
Changes it to show the revision history rather than immediate executing

Closes #209 - Open File in Remote should ask for a branch if no upstream

Also adds icons for prev/next and places them into the editor toolbar