update .gitconfig

.gitconfig

@@ -10,6 +10,7 @@
   excludesfile = ~/.gitignore
   autocrlf = input
   pager = /usr/local/opt/git/share/git-core/contrib/diff-highlight/diff-highlight | less -FRX
+  editor = nvim
 [diff]
   algorithm = histogram
 [grep]
@@ -19,12 +20,10 @@
   g = grep --break --heading --line-number
   dsf = "!f() { [ \"$GIT_PREFIX\" != \"\" ] && cd "$GIT_PREFIX"; git diff --color $@ | diff-so-fancy | less --tabs=4 -RFX; }; f"
 [help]
-	autocorrect = -1
-; [url "https://github.com/"]
-; 	insteadOf = git@github.com:
+  autocorrect = -1
 [tag]
-	sort = version:refname
+  sort = version:refname
 [init]
-	templatedir = ~/.git-templates
+  templatedir = ~/.git-templates
 [git-up "bundler"]
-	check = true
+  check = true