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Lambdas need an explicit `return`
Extend the documentation so that it is clear that lambdas require an explicit return .
Also add an according example.
Co-Authored-By: Danil Alexeev <danil@alexeev.xyz>
The unordered list markup was missing a blank line at the beginning, so it displayed all the list item on a single line of text instead of in a proper bulleted list.
This tutorial had 2 main issues: the code wasn't adapted to Godot
4 syntax and API and the suggested tutorial contained information
to workaround the (at the time) non existence of the `draw_arc()`
function.
A general update has been made, keeping the general structure but
changing the example for something more useful and fun
(replicating the godot logo with draw primitives) and an
additional example with a dynamicaly built drawing (dynamic line).
Too many informalities have been removed on the initial paragraph.
Fixed references to Texture instead of Texture2D.
Fixed old style of exporting properties to the editor.
Fixed inconsistencies calling Node2D, myNode2D and customNode2D.
Moved examples to the end of the page, leaving general information
at the top, and completing that info with images and references.
Removed references to an old demo project (Tetris).
Fixes#4184Fixes#7521
Co-authored-by: Raul Santos <raulsntos@gmail.com>
Co-authored-by: A Thousand Ships <96648715+AThousandShips@users.noreply.github.com>
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