added link to tutorial video

Signed-off-by: bidi <[email protected]>

Author: bidi47

README.md

@@ -55,3 +55,5 @@ Invoke `dot-maker` by executing:
 - the (optional) Composer script created during [Setup](#setup): `composer make`
 
 Follow the instructions on the screen to create a specific Dotkernel project component.
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+[![Watch the video](https://docs.dotkernel.org/img/dot-maker/dot-maker-preview.jpg)](https://www.youtube.com/watch?v=CPDilXP2kAc)

docs/book/v1/overview.md

@@ -17,3 +17,5 @@ Programmatically generate Dotkernel project files and directories.
 [![PHPStan](https://github.com/dotkernel/dot-maker/actions/workflows/static-analysis.yml/badge.svg?branch=1.0)](https://github.com/dotkernel/dot-maker/actions/workflows/static-analysis.yml)
 
 Make sure you run through our guides on using the [inputs](./io/input.md) and the [outputs](./io/output.md).
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