migrate diagrams to new database

They're not defined in the 'generate-db.sql' file.  See #15.

data-public/metadata/database/diagrams/migrate-diagrams.sql

@@ -0,0 +1,38 @@
+--Requires a "Linked server": https://docs.microsoft.com/en-us/sql/relational-databases/linked-servers/linked-servers-database-engine
+--Code from https://stackoverflow.com/questions/527327/how-do-you-migrate-sql-server-database-diagrams-to-another-database
+
+SELECT [name]
+      ,[principal_id]
+      ,[diagram_id]
+      ,[version]
+      ,[definition]
+  FROM [BEE\BASS].[NlsLinks].[dbo].[sysdiagrams]
+
+
+
+
+USE NlsLinks
+
+DELETE sysDiagrams
+WHERE name IN (
+	SELECT name FROM [BEE\BASS].[NlsLinks].[dbo].[sysdiagrams]
+	)
+
+SET IDENTITY_INSERT sysDiagrams ON
+
+INSERT sysDiagrams (
+	name,
+	principal_id,
+	diagram_id,
+	version,
+	definition
+)
+SELECT
+	name,
+	principal_id,
+	diagram_id,
+	version,
+	definition
+FROM [BEE\BASS].[NlsLinks].[dbo].[sysdiagrams]
+
+SET IDENTITY_INSERT sysDiagrams OFF