Git: verbose commit by default, nvim as mergetool

.gitconfig

@@ -37,6 +37,7 @@
 	d = diff
 	dc = diff --cached
 	short = rev-parse --short --verify HEAD
+	update = !git stash && git pull --rebase && git stash pop && git submodule update --init --recursive
 [interactive]
 	diffFilter = delta --color-only
 [delta]
@@ -48,3 +49,7 @@
 	file-decoration-style = none
 [pull]
 	rebase = true
+[commit]
+	verbose = true
+[mergetool "vimdiff"]
+	cmd = nvim -d $LOCAL $REMOTE $MERGED -c '$wincmd w' -c 'wincmd J'