Adding Topology Extension

Topology Extension
	- Affinities
	    -- id
	    -- tenant_Id
	    -- name
	    -- status
	    -- status_description
	- AffinitPolicies
	    -- id
	    -- tenant_id
	    -- affinity_id
	    -- status
	    -- status_description
	    -- meta
	    -- proto
	    -- policy