Add option to install a generated distro to the local Helios data folder

* Run g distro with --installLocal to have the generated file be copied into the local helios data folder.
* New property required in the .env, HELIOS_DATA_FOLDER
* Added two launch configurations to vs code.

.vscode/tasks.json

@@ -13,6 +13,16 @@
             "presentation": {
                 "reveal": "silent"
             }
+        },
+        {
+            "label": "build",
+            "type": "npm",
+            "script": "build",
+            "group": "build",
+            "problemMatcher": [],
+            "presentation": {
+                "reveal": "silent"
+            }
         }
     ]
 }