feat: support laser pointer

[leonus96]

Description

Presentation programs often provide a laser pointer feature, where the operating system cursor disappears and a simulation of laser light is displayed on the slide instead.

This issue tracks the request to add laser pointer support in flutter_deck offering me to work on this issue.

Additional Context

Laser pointer in Microsoft PowerPoint:

Laser pointer in Google Slides:

For my personal use I quickly implemented something functional, it looks like this:

Grabacion.de.pantalla.2023-10-19.a.la.s.20.20.26.mov

[mkobuolys]

Hey, I have a similar idea on my to-do list - supporting marker. Meaning, you could even draw on top of your slide (pretty neat in some cases). I think the laser pointer could be just another option for that. It's not a priority, but let's keep the issue open so I will remember to cover this as well.

[leonus96]

Hey, I have a similar idea on my to-do list - supporting marker. Meaning, you could even draw on top of your slide (pretty neat in some cases). I think the laser pointer could be just another option for that. It's not a priority, but let's keep the issue open so I will remember to cover this as well.

Drawing on the slides is another very good functionality 🤞🏻. If this topic is not yet a priority; Is there a topic I can work on? I am very interested in contributing to this project.

[mkobuolys]

Hey, I have a similar idea on my to-do list - supporting marker. Meaning, you could even draw on top of your slide (pretty neat in some cases). I think the laser pointer could be just another option for that. It's not a priority, but let's keep the issue open so I will remember to cover this as well.

Drawing on the slides is another very good functionality 🤞🏻. If this topic is not yet a priority; Is there a topic I can work on? I am very interested in contributing to this project.

If you have already implemented this, you can create a PR for the laser pointer and we can discuss the details there.

[mkobuolys]

@leonus96 FYI, I have implemented the marker tool recently, you can check it for reference (if you are planning to add a laser pointer): #36