This lightning component help through canvasjs to draw in a lightning component a signature to save in Attachments.
Once you have a local repository with my source create a SFDX project.
If you don't have experience creating SFDX projects please go here: Link to create SFDX projects
Start from Position yourself on the project folder and push all my resources in your org with the following commands:
user@: sfdx force:source:deploy --loglevel fatal --sourcepath force-app/main/default/classes
user@: sfdx force:source:deploy --loglevel fatal --sourcepath force-app/main/default/aura
That's all.
Happy coding.