feat: Add fzf-git as 3rd party module

.gitmodules

@@ -4,3 +4,6 @@
 [submodule "3rd-party/complete-alias"]
 	path = 3rd-party/complete-alias
 	url = https://github.com/cykerway/complete-alias.git
+[submodule "3rd-party/junegunn/fzf-git.sh"]
+	path = 3rd-party/junegunn/fzf-git.sh
+	url = https://github.com/junegunn/fzf-git.sh

bashrc

@@ -28,6 +28,7 @@ _source_dir_files "${BASEDIR}"/libs
 
 # Source 3rd party libs if they exists
 _source_file_if_exists "${BASEDIR}/3rd-party/complete-alias/complete_alias"
+_source_file_if_exists "${BASEDIR}/3rd-party/junegunn/fzf-git.sh/fzf-git.sh"
 
 # Early customization
 _source_dir_files "${BASEDIR}"/rc.before.d