added script to open nvim config in nvim

.local/bin/nvimcfg

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+
+NVIM_CONFIG="$HOME/.config/nvim"
+PROJECT_NAME="NVIM-Config"
+tmux has-session -t $PROJECT_NAME &> /dev/null
+if [ $? != 0 ]; then
+    cd "$NVIM_CONFIG"
+    tmux new -session -s $PROJECT_NAME -n nvim -d
+    tmux send-keys -t $PROJECT_NAME "nvim ." C-m
+fi
+tmux attach -t $PROJECT_NAME