fix core middleware and make search case insensitive

src/endpoints/CompactRecipePoint.ts

@@ -22,6 +22,7 @@ router.get(
   asyncHandler(async (req, res) => {  
     // extract search string from query parameters, convert to lower case for case insensitive search
     const searchString : string  = req.query.search ? req.query.search.toString().toLowerCase() : "";
+    console.log("Searching for recipes with title containing", searchString)
     const response = await compactRecipeHandler.getMatchingRecipes(searchString);
     res.status(201).json(response);
   })