Create a new definition for timesketch and add a timesketch analysis scaffolder

[kiddinn]

Add a timesketch scaffolder for analysis plugins in timesketch.

[kiddinn]

Timesketch PR for adding the feature into the tool: https://github.com/google/timesketch/pull/663

Two parts to this request:

• Adding timesketch definition: https://github.com/log2timeline/PlasoScaffolder/pull/39
• Adding the timesketch analyzer plugin: https://github.com/log2timeline/PlasoScaffolder/pull/41

[kiddinn]

definition checked in, waiting for the analysis PR to be pushed before continuing

[kiddinn]

See: https://github.com/log2timeline/PlasoScaffolder/pull/41

[kiddinn]

completed