Expand turbine METADATA

Test: none
Change-Id: I7910b84f152d2c91b078754f6e9e5254f4a2db94
diff --git a/METADATA b/METADATA
index d97975c..e166a49 100644
--- a/METADATA
+++ b/METADATA
@@ -1,3 +1,17 @@
+name: "turbine"
+description:
+    "Turbine is a header compiler for Java."
+
 third_party {
+  url {
+    type: HOMEPAGE
+    value: "https://github.com/google/turbine"
+  }
+  url {
+    type: GIT
+    value: "https://github.com/google/turbine"
+  }
+  version: "a963d859dc98108c37a701c1f76c4494fc480198"
+  last_upgrade_date { year: 2020 month: 3 day: 27 }
   license_type: NOTICE
 }