Slides v1.1.2

Fix a recurring typo in the slides thanks to @NickBarnes

Slides v1.1.1

Added the Scanning the stack with frame_descr slide to clarify the stack scanning technique.

Slides v1.1.0

Added the 'Backtraces' section which explains how exception backtraces are constructed.

Slides v1.0.1

Rendered slides with proper ToC and page numbers.

Slides v1.0.0

Rendered slides used for the 2022/11/18 presentation.