added package documentation

pkg/store/backends/postgres/package.go

@@ -0,0 +1,6 @@
+// Package postgres is an implementation of a routes and neighbors
+// store using the postgres database.
+//
+// Routes and neighbors are stored as jsonb information
+// with indexes for query performance.
+package postgres

pkg/store/neighbors_store_test.go

@@ -113,6 +113,7 @@ func TestGetNeighbors(t *testing.T) {
 	if err == nil {
 		t.Error("Unknown source should have yielded zero results")
 	}
+  t.Log(neighbors)
 
 }
 

pkg/store/package.go

@@ -0,0 +1,8 @@
+// Package store provides an interface for keeping
+// routes and neighbor information without querying
+// a route server. The refresh happens in a configurable
+// interval.
+//
+// There a currently two implementations: A postgres and
+// and in-memory backend.
+package store