PR#47 (L): Implemented basic trigger logic

[malikalhack]

Linked Task

Closes #15

Commits

• Windowed the record under a fixed trigger marker
• Added edge trigger detection
• Held triggered frames and a trigger reference marker
• Aligned the trace to a movable trigger point

Author Checklist

• added generated documentation;
• added a description of the work completed to the history file;
• successfully generated the documentation, and it meets expectations;
• successfully compiled the library on Linux;

Testing

• ./linux_build.sh -c
• make release
• manual UI check

The build was performed on Linux Mint 21.3.

[malikalhack]

Reviewed