Add an entry for the placement project

Add an entry for the placement project
in www/project-data/latest.yaml.

Change-Id: I2da820807401e316be45aac7e65eb8737093835b

www/project-data/latest.yaml

@@ -68,6 +68,15 @@
 - name: os-vif
   type: library
   service: Library for plugging and unplugging virtual interfaces.
+- name: placement
+  type: service
+  service: Placement service
+  service_type: placement
+  has_api_ref: true
+  has_config_ref: true
+# install/index.html does not exist currently.
+# Therefore disable has_install_guide for now.
+#  has_install_guide: true
 # - name: osc-placement
 #   type: service-client
 #   service: OpenStackClient plugin for the Nova Placement service.