Update copilot-instructions.md

Author: jamesmontemagno

.github/copilot-instructions.md

@@ -3,5 +3,5 @@
 <!-- Add Instructions here -->
 
 ## Misc
-- To display an image you will always need to use `ImagePrefix` in the web front end which comes from the environment variables. 
-- Ignore all *.md files code in the **lab** folder when making code suggestions.
+- To display an image you will always need to use `ImagePrefix` in the web front end which comes from the Configuration["ImagePrefix"] which isc @inject IConfiguration Configuration 
+- Ignore all *.md files code in the **lab** folder when making code suggestions.