add delta as git diff tool

Brewfile

@@ -196,3 +196,4 @@ brew "wtfutil"
 brew "tfenv"
 brew "tokei"
 brew "fd"
+brew "git-delta"

dot_gitconfig

@@ -73,8 +73,7 @@
 	templateDir = /Users/morganwattiez/.git-template
 
 [core]
-    pager = diff-so-fancy | less --tabs=4 -RFX
-
+    pager = delta --line-numbers --diff-highlight
 	# Treat spaces before tabs and all kinds of trailing whitespace as an error.
 	# [default] trailing-space: looks for spaces at the end of a line
 	# [default] space-before-tab: looks for spaces before tabs at the beginning of a line
@@ -100,3 +99,11 @@
 
 [difftool]
     prompt = false
+
+[delta]
+    plus-color = "#012800"
+    minus-color = "#340001"
+    theme = Monokai Extended
+
+[interactive]
+    diffFilter = delta --color-only