Git ignore azure specs

Author: ShivangiReja

.gitignore

@@ -178,6 +178,12 @@ artifacts
 # Temporary typespec folders for typespec generation
 TempTypeSpecFiles/
 
+# Azure specification files
+specification/base/entrypoints/azure.v1
+specification/base/entrypoints/sdk.dotnet.azure
+specification/base/typespec.azure
+specification/base/typespec.azure.v1
+
 # Generator default TypeSpec output
 codegen/tsp-output/
 codegen/temp/