fix: gitpod launching sasjs

.gitpod.yml

@@ -1,7 +1,7 @@
 tasks:
-  - init: |
-      nvm install --lts
-      npm i -g @sasjs/cli
+  - init: npm install -g npm
+  - command: npm i
+  - command: npm i -g @sasjs/cli
 
 image:
   file: .gitpod.dockerfile
@@ -24,4 +24,4 @@ github:
     # add a "Review in Gitpod" button to pull requests (defaults to false)
     addBadge: false
     # add a label once the prebuild is ready to pull requests (defaults to false)
-    addLabel: prebuilt-in-gitpod
+    addLabel: prebuilt-in-gitpod