Adding trailing slash to openai url

Author: kylebunting

database/.env.example

@@ -1,4 +1,4 @@
 MSSQL='Server=.database.windows.net;Initial Catalog=;Persist Security Info=False;User ID=sampledb;Authentication=Active Directory Default;Connection Timeout=30;'
-OPENAI_URL='https://.openai.azure.com'
+OPENAI_URL='https://.openai.azure.com/'
 OPENAI_KEY=''
 OPENAI_MODEL='text-embedding-ada-002'