Add contributing guide for using Grid sparingly.
MODIFY
CONTRIBUTING.md
CONTRIBUTING.md
@@ -188,3 +188,6 @@ Some pointers on how to recognise if we are breaking MVVM:
* Views that depend on more than 1 viewmodel class.
If it seems not possible to implement something without breaking some of this advice please consult with @danwalmsley.
+
+## Avoid using Grid as much as possible, Use Panel instead
+If you don't need any row or column splitting for your child controls, just use `Panel` as your default container control instead of `Grid` since it is a moderately memory and CPU intensive control.
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Add contributing guide for using Grid sparingly.