update gitconfig

Signed-off-by: d0zingcat <i@d0zingcat.dev>

git/config

@@ -4,9 +4,32 @@
 	email = i@d0zingcat.dev
 	name = d0zingcat
 	signingkey = 39E301C2
-[url "ssh://git@github.com/"]
-        insteadOf = https://github.com/
+[url "https://"]
+    insteadOf = git://
 [core]
+    editor = nvim
 	excludesfile = /Users/d0zingcat/.config/git/.gitignore
 [commit]
 	gpgsign = true
+[pager]
+    difftool = true
+[diff]
+    external = difft
+    tool = difftastic
+[difftool]
+    prompt = false
+[difftool "difftastic"]
+    cmd = difft "$LOCAL" "$REMOTE"
+[alias]
+    lg = log --color --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr) %C(bold blue)<%an>%Creset' --abbrev-commit
+    pr = pull --rebase origin master
+    p = push
+    st = status
+    co = checkout
+    cb = checkout -b
+    br = branch
+    cm = commit -s -m
+    ca = commit --amend -s --no-edit
+    d = diff
+    ds = diff --staged
+    dc = diff --cached