Improve accuracy of virtual VFR view

[e100]

Use true course along with updated pyavtools that renders runways with true bearing so virtual VFR renders closer to reality

Fix for #241

[github-actions[bot]]

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File	Statements	Missing	Coverage	Coverage (new stmts)	Lines missing
src/pyefis
__init__.py
src/pyefis/instruments/ai
VirtualVfr.py
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