git: use tab for indent

The command `git config` uses tab.

dot_config/git/config.tmpl

@@ -1,67 +1,67 @@
 [user]
-    name = inkch
+	name = inkch
-    email = inkch@posteo.jp
+	email = inkch@posteo.jp
 
 [core]
-    excludesfile = ~/.config/git/ignore
+	excludesfile = ~/.config/git/ignore
-    editor = nvim
+	editor = nvim
-    pager = delta
+	pager = delta
-    autocrlf = false
+	autocrlf = false
-    quotepath = false
+	quotepath = false
 
 [commit]
-    template = ~/.config/git/commitmsg
+	template = ~/.config/git/commitmsg
 
 [init]
-    defaultBranch = main
+	defaultBranch = main
 
 [color]
-    status = auto
+	status = auto
-    branch = auto
+	branch = auto
-    ui = auto
+	ui = auto
 
 [delta]
-    line-numbers = true
+	line-numbers = true
-    diff-so-fancy = true
+	diff-so-fancy = true
-    dark = true
+	dark = true
-    navigate = true
+	navigate = true
-    syntax-theme = base16
+	syntax-theme = base16
 
 [interactive]
-    diffFilter = delta -n --color-only --diff-so-fancy
+	diffFilter = delta -n --color-only --diff-so-fancy
 
 [diff]
-    renames = true
+	renames = true
-    colorMoved = default
+	colorMoved = default
 
 [merge]
-    tool = nvimdiff
+	tool = nvimdiff
 
 [mergetool "nvimdiff"]
-    prompt = false
+	prompt = false
-    keepBackup = false
+	keepBackup = false
-    cmd = "nvim -d $LOCAL $MERGED $REMOTE"
+	cmd = "nvim -d $LOCAL $MERGED $REMOTE"
 
 [status]
-    short = true
+	short = true
-    branch = true
+	branch = true
 
 [log]
-    graph = true
+	graph = true
-    decorate = true
+	decorate = true
-    oneline = true
+	oneline = true
-    all = true
+	all = true
 
 [alias]
-    s = status
+	s = status
-    fe = fetch
+	fe = fetch
-    fa = fetch --all
+	fa = fetch --all
-    co = checkout
+	co = checkout
-    cm = commit -m
+	cm = commit -m
-    cma = commit -am
+	cma = commit -am
-    emp = commit --allow-empty -m
+	emp = commit --allow-empty -m
-    br = branch
+	br = branch
-    bra = branch -a
+	bra = branch -a
-    d = diff
+	d = diff
-    l = log --graph --decorate --oneline --date=iso
+	l = log --graph --decorate --oneline --date=iso
-    delete-merged-branch = !git branch -l --merged main | rg -v \"(HEAD|main|\\*)\" | xargs -I % git branch -d %
+	delete-merged-branch = !git branch -l --merged main | rg -v \"(HEAD|main|\\*)\" | xargs -I % git branch -d %