Integrated, working.

This integrates the liteq, and it prevents duplicates in a way that
matches my use-case.

I might try and push things back out to a separate module, but for now,
this will do.

internal/liteq/liteq.go

@@ -4,7 +4,7 @@ import (
 	"context"
 	"database/sql"
 
-	internal "git.jadud.com/grosbeak/internal/liteq/internal"
+	internal "git.jadud.com/jadudm/grosbeak/internal/liteq/internal"
 )
 
 // Creates the db file with the tables and indexes