stow: Add directories for git, plasma, and systemd

Since these config files are specific enough, they warrant their own
package directories.

git/.gitconfig

@@ -0,0 +1,47 @@
+[include]
+    path = ~/.gituser
+
+# Always sign commits
+[commit]
+    gpgsign = true
+
+[core]
+    editor = vim
+    autocrlf = false
+    pager = diff-so-fancy | less --tabs=4 -RFX
+    excludesfile = ~/.gitignore
+
+[web]
+    browser = firefox
+
+[push]
+    default = simple
+
+[branch]
+    autosetuprebase = always
+
+[rerere]
+    enabled = true
+
+[color]
+    ui = true
+
+[alias]
+    contrib = shortlog -n -s
+    remotes = remote -v
+    praise = blame
+    verify = log --show-signature
+
+[color "diff-highlight"]
+    oldNormal = red bold
+    oldHighlight = red bold 52
+    newNormal = green bold
+    newHighlight = green bold 22
+
+[color "diff"]
+    meta = yellow
+    frag = magenta bold
+    commit = yellow bold
+    old = red bold
+    new = green bold
+    whitespace = red reverse

git/.gitignore

@@ -0,0 +1,9 @@
+# New Start: A modern Arch workflow built with an emphasis on functionality.
+# Copyright (C) 2017-2018 Donovan Glover
+
+# Don't track temporary vim files
+*~
+.*.sw*
+
+# Don't track Plasma directory files
+.directory

git/.stow-local-ignore

@@ -0,0 +1,13 @@
+# This .stow-local-ignore file is used to prevent stow from
+# ignoring the .gitignore file by default.
+#
+# Since the root of this repository is also the package directory,
+# it is also used to ignore things that aren't dotfiles.
+#
+# https://www.gnu.org/software/stow/manual/stow.html#Ignore-Lists
+
+README.md
+LICENSE
+Makefile
+.git/*
+.directory