Add information about resource packs to the handbook
This should include the content of the following sections:
- https://wiki.eclipse.org/CBI#What.27s_provided.3F
- https://wiki.eclipse.org/CBI#Additional_Resource_Packs
Content can also be used from
More important than technical details (number of CPUs and RAM), is probably the process of how resource packs are assigned (https://wiki.eclipse.org/CBI#Assigning_Resource_Packs_to_a_Project) and how projects/orgs can check the status of resource pack allocation (https://wiki.eclipse.org/CBI#Sponsored_Projects).