Add package descriptions for documentation

filestore/filestore.go

@@ -1,3 +1,5 @@
+// Package filestore provide a storage backend based on the local file system.
+//
 // FileStore is a storage backend used as a tusd.DataStore in tusd.NewHandler.
 // It stores the uploads in a directory specified in two different files: The
 // `[id].info` files are used to store the fileinfo in JSON format. The

handler.go

@@ -1,3 +1,4 @@
+// Package tusd provides ways to accept tusd calls using HTTP.
 package tusd
 
 import (

limitedstore/limitedstore.go

@@ -1,4 +1,6 @@
-// Package limitedstore implements a simple wrapper around existing
+// Package limitedstore provides a storage with a limited space.
+//
+// This goal is achieved by using a simple wrapper around existing
 // datastores (tusd.DataStore) while limiting the used storage size.
 // It will start terminating existing uploads if not enough space is left in
 // order to create a new upload.