feat(revamp): add zsh and neovim configs, add an install script and a dependencies list

config/zsh/.zprezto/modules/utility/functions/diff

@@ -0,0 +1,19 @@
+#
+# Highlights diff output.
+#
+# Authors:
+#   Sorin Ionescu <sorin.ionescu@gmail.com>
+#
+
+# function diff {
+
+if zstyle -t ':prezto:module:utility:diff' color \
+      && [[ -t 1 ]] \
+      && (( $+commands[colordiff] )); then
+  command diff "$@" | colordiff
+  return "${pipestatus[1]}"
+else
+  command diff "$@"
+fi
+
+# }