doc: Adding gitconfig info to the README

README.md

@@ -7,9 +7,9 @@ Included are configs for:
 - tmux
 - wezterm
 - zsh
+- gitconfig
 
 Planned configs are:
-- gitconfig
 - newsboat
 
 ## Deployment
@@ -97,3 +97,9 @@ The config adds the following settings outside of oh-my-zsh:
     - `zsh_exports`: Exported variables for the system
     - `zsh_functions`: Custom functions beyond simple aliasing can fulfill but not requiring a script
     - `zsh_local`: Local ZSH settings for a specific system such as any environment specific bash required to set up a system's shell or direct ZSH settings
+
+### Gitconfig
+
+The gitconfig, centered on nvim integration, gives contains a selection of useful aliases and sets some basic defaults.
+
+It also includes a local override config hosted at `~/.config/git/local` for adding username and email as well as any other options needed for a local machine.