[Docs] Added pending inline comments to Page class (#20933)

* Added pending inline comments to Page class

* Update src/Controls/src/Core/PlatformConfiguration/iOSSpecific/Page.cs

Co-authored-by: Juan Diego Herrera <juherrera@microsoft.com>

* More changes

* Changes from PR feedback

* Update src/Controls/src/Core/PlatformConfiguration/iOSSpecific/Page.cs

Co-authored-by: Juan Diego Herrera <juherrera@microsoft.com>

* Update src/Controls/src/Core/PlatformConfiguration/iOSSpecific/Page.cs

Co-authored-by: Juan Diego Herrera <juherrera@microsoft.com>

* Update src/Controls/src/Core/PlatformConfiguration/iOSSpecific/Page.cs

Co-authored-by: Juan Diego Herrera <juherrera@microsoft.com>

* More changes

* More changes

* more changes

* Update src/Controls/src/Core/PlatformConfiguration/iOSSpecific/Page.cs

Co-authored-by: Juan Diego Herrera <juherrera@microsoft.com>

* Update src/Controls/src/Core/PlatformConfiguration/iOSSpecific/Page.cs

Co-authored-by: Juan Diego Herrera <juherrera@microsoft.com>

* More changes

* Removed outdated xml comments

* More changes

* Added pending langwords

* More fixes

* More changes

* Removed Windows platform specific Page xml file

* Removed iOS platform specific page xml docs

* More fixes

* Updated docs

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Co-authored-by: Juan Diego Herrera <juherrera@microsoft.com>