Moving docs from V1

[edgarfgp]

This PR moves the V1 docs to this Repo and adds some updates to the existing docs with the new changes introduced in V2 (A FURTHER UPDATED IS NEEDED ) once all the widgets are in place .

[edgarfgp]

• Now that NET 6 is released. . We could add a comments in the dev-pitfalls.md
• Repurpose migration-guide-to-0.60 to be now migration migration-guide-to-2.0
• How the Saving the Application start will work on V2
• Update docs for Carrousel , Collection and ListView once the widgets are available
• Update Picker docs once the widget is available
• Update RefreshView docs once the widget is available
• Update SwipeView docs once the widget is available
• Update Ellipse docs once the widget is available
• Update Line docs once the widget is available
• Update Path docs once the widget is available
• Update DatePicker and TimePicker docs once the widget are available
• Update FlyoutPage docs once the widget is available
• Update Shell docs when the widget is available

[edgarfgp]

@TimLariviere this should be a good starting point . to improve have the docs from V1 and update it as we progress with V2

[TimLariviere]

Thanks a lot! Let's see what we'll be doing for all the missing main features before merging this documentation

[edgarfgp]

@TimLariviere Should we merge this Pr and then take this to main so we can use this as a template to add/ update docs while we add new widgets ?