Remove index.html before deploy

script/prep-release.sh

@@ -81,5 +81,8 @@ done
 mv ../netboot.xyz-sha256-checksums.txt .
 cd ../..
 
+# delete index.html so that we don't overwrite existing content type
+rm src/index.html
+
 # copy iPXE src code into build directory
 cp -R src/* build/