[Clean] Add a clean script

This little script helps solve issues caused by cache hits for lazy
(thus versioning breaking). Deletes the caches and install directories
for a full clean install

nvim-clean.sh

@@ -0,0 +1,9 @@
+#!/bin/sh
+
+git pull
+rm -rf ~/.local/share/nvim/
+rm -rf ~/.local/state/nvim/
+rm -rf ~/.cache/nvim/
+
+# Re-Install configs to clean out lazy-lock and all other residue
+./nvim-install.sh