feat: add host catalog resource (#2)

* feat: add dev and update-deps Makefile targets

* feat: add host catalog resource

* docs: add host catalog resource docs

internal/provider/provider.go

@@ -24,7 +24,8 @@ func New() terraform.ResourceProvider {
 			},
 		},
 		ResourcesMap: map[string]*schema.Resource{
-			"watchtower_project": resourceProject(),
+			"watchtower_project":      resourceProject(),
+			"watchtower_host_catalog": resourceHostCatalog(),
 		},
 	}