Side-by-side view

https://github.com/vuejs/vue/commit/7ec4627902020cccd7b3f4fbc63e1b0d6b9798cd

[delta]
    features = side-by-side line-numbers decorations
    syntax-theme = Dracula
    plus-style = syntax "#003800"
    minus-style = syntax "#3f0001"

[delta "decorations"]
    commit-decoration-style = bold yellow box ul
    file-style = bold yellow ul
    file-decoration-style = none
    hunk-header-decoration-style = cyan box ul

[delta "line-numbers"]
    line-numbers-left-style = cyan
    line-numbers-right-style = cyan
    line-numbers-minus-style = 124
    line-numbers-plus-style = 28