update gitconfig to use delta

.gitconfig

@@ -12,6 +12,23 @@
   filemode = true
   eol = lf
   autocrlf = input
+  pager = delta
+
+[interactive]
+  diffFilter = delta --color-only
+
+[delta]
+  features = side-by-side line-numbers #decorations
+  whitespace-error-style = 22 reverse
+  syntax-theme = zenburn
+
+[delta "decorations"]
+  commit-decoration-style = bold yellow box ul
+  file-style = bold yellow ul
+  file-decoration-style = none
+
+[rebase]
+  autoStash = true
 
 [merge]
   tool = vimdiff
@@ -53,5 +70,3 @@
    --pretty=format:'%C(auto)%h%Creset %C(auto)%d%Creset %s %C(green)(%ad) %C(bold cyan)<%an>%Creset'
   up = pull --rebase
   branches-last-updated = branch -rv --sort=committerdate --format='%(HEAD) %(color:green)%(committerdate:relative)%(color:reset)\t%(color:magenta)%(authorname)%(color:reset)\t%(color:yellow)%(refname:short)%(color:reset)'
-[rebase]
-	autoStash = true