Refactor copy_configs, improve sym-linking; vim configs fine for now

src_files/.config/vim/pack/plugins/start/.plugin-git-clone-script

@@ -1,3 +1,4 @@
-plugins, git repos for ref, clone in this dir if needed
+#/bin/zsh
+
 git clone https://github.com/ghifarit53/tokyonight-vim.git
 git clone https://github.com/leafgarland/typescript-vim.git

src_files/.config/vim/vimrc

@@ -1,7 +1,12 @@
 " base settings
 set nocompatible
 let mapleader=","
-set runtimepath+=$XDG_CONFIG_HOME/vim
+
+" xdg base directory settings/clean-up
+set runtimepath^=$XDG_CONFIG_HOME/vim
+" add other dirs to path as needed
+" XDG_CONFIG_HOME, XDG_CACHE_HOME, XDG_DATA_HOME, XDG_STATE_HOME, XDG_DATA_DIRS
+" set/override other filenames/paths/dirs as needed
 
 " plugin config
 	let g:netrw_banner=0 " hide banner