Initial role documentation (#6302)

Updating links to the official doc
Fixing typo in VMware corp name

builtin/providers/vsphere/README.md

@@ -18,3 +18,40 @@ even more thanks to there guidance with the development of this provider.  We ha
 
 One of the great tools that govmomi contains is [govc](https://github.com/vmware/govmomi/blob/master/govc/README.md). It is a command line tool for using the govmomi API.  Not only is it a tool to use, but also it's 
 [source base](https://github.com/vmware/govmomi/blob/master/govc/) is a great resource of examples on how to exercise the API.
+
+## Required privileges for running Terraform as non-administrative user
+Most of the organizations are concerned about administrative privileges. In order to use Terraform provider as non priviledged user, we can define a new Role within a vCenter and assign it appropriate privileges:
+Navigate to Administration -> Access Control -> Roles
+Click on "+" icon (Create role action), give it appropraite name and select following privileges:
+ * Datastore
+   - Allocate space
+   - Browse datastore
+   - Low level file operations
+   - Remove file
+   - Update virtual machine files
+   - Update virtual machine metadata
+ 
+ * Folder (all)
+   - Create folder
+   - Delete folder
+   - Move folder
+   - Rename folder
+ 
+ * Network
+   - Assign network
+
+ * Resource
+   - Apply recommendation
+   - Assign virtual machine to resource pool
+
+ * Virtual Machine
+   - Configuration (all) - for now
+   - Guest Operations (all) - for now
+   - Interaction (all)
+   - Inventory (all)
+   - Provisioning (all)
+
+These settings were tested with [vSphere 6.0](https://pubs.vmware.com/vsphere-60/index.jsp?topic=%2Fcom.vmware.vsphere.security.doc%2FGUID-18071E9A-EED1-4968-8D51-E0B4F526FDA3.html) and [vSphere 5.5](https://pubs.vmware.com/vsphere-55/index.jsp?topic=%2Fcom.vmware.vsphere.security.doc%2FGUID-18071E9A-EED1-4968-8D51-E0B4F526FDA3.html). For additional information on roles and permissions, please refer to official VMware documentation.
+
+This section is a work in progress and additional contributions are more than welcome.
+