[winforms-dotnet5] Move content - Forms

Related to dotnet/docs-desktop#72

When porting and migrating source content (presented as a [link]() that goes to an article), open the source material up. Find out where it exists in the TOC. In the source project #72 navigate down to the **.NET Framework 4 TOC and my notes** collapsible region and expand it. Find the article title in the TOC and review the notes.

- [ ] Forms
- [ ] Overview ([link (WPF)](https://docs.microsoft.com/dotnet/desktop/wpf/windows/?view=netdesktop-5.0) [link](https://docs.microsoft.com/dotnet/desktop/winforms/windows-forms-overview?view=netframeworkdesktop-4.8) [link](https://docs.microsoft.com/en-us/dotnet/desktop/winforms/order-of-events-in-windows-forms?view=netframeworkdesktop-4.8))
- [x] Event handlers ([link](https://docs.microsoft.com/dotnet/desktop/winforms/events-overview-windows-forms?view=netframeworkdesktop-4.8) [link](https://docs.microsoft.com/dotnet/desktop/winforms/event-handlers-overview-windows-forms?view=netframeworkdesktop-4.8))\
This requires an update with info from [order of events](https://docs.microsoft.com/en-us/dotnet/desktop/winforms/order-of-events-in-windows-forms?view=netframeworkdesktop-4.8)
- [x] Automatic scaling ([link](https://docs.microsoft.com/dotnet/desktop/winforms/automatic-scaling-in-windows-forms?view=netframeworkdesktop-4.8) [link](https://docs.microsoft.com/dotnet/desktop/winforms/how-to-respond-to-font-scheme-changes-in-a-windows-forms-application?view=netframeworkdesktop-4.8))
- [ ] High DPI support ([link](https://docs.microsoft.com/dotnet/desktop/winforms/high-dpi-support-in-windows-forms?view=netframeworkdesktop-4.8))
- Common tasks
- [x] Add a form
- [ ] Configure autoscaling ([link](https://docs.microsoft.com/dotnet/desktop/winforms/automatic-scaling-in-windows-forms?view=netframeworkdesktop-4.8))
- [ ] Respond to scale changes ([link](https://docs.microsoft.com/dotnet/desktop/winforms/how-to-respond-to-font-scheme-changes-in-a-windows-forms-application?view=netframeworkdesktop-4.8) [link](https://docs.microsoft.com/dotnet/desktop/winforms/high-dpi-support-in-windows-forms?view=netframeworkdesktop-4.8))
- [x] Resize a form ([link](https://docs.microsoft.com/dotnet/desktop/winforms/how-to-resize-windows-forms?view=netframeworkdesktop-4.8))
- [x] Position a form ([link](https://docs.microsoft.com/dotnet/desktop/winforms/windows-forms-coordinates?view=netframeworkdesktop-4.8))
- [ ] Change the border style ([link](https://docs.microsoft.com/dotnet/desktop/winforms/how-to-change-the-borders-of-windows-forms?view=netframeworkdesktop-4.8))