fix README.md - add correct path at script and Step 0 to make the scr…

…ipts executable. (kodekloudhub#147)

* fix README.md - add correct path for `cd` command
fix README.md - add commands for make scripts executable

* Remove Step 0 because scripts permissins changed

kubeadm-clusters/apple-silicon/README.md

@@ -24,7 +24,7 @@ Additionally
     mkdir ~/kodekloud
     cd ~/kodekloud
     git clone https://github.com/kodekloudhub/certified-kubernetes-administrator-course.git
-    cd certified-kubernetes-administrator-course/apple-silicon
+    cd certified-kubernetes-administrator-course/kubeadm-clusters/apple-silicon
     ```
 
 ## Install Cluster