docs: add link to release annoucement
fix: allocate output buffers of output camera size, not input camera
chore: add analytics to docs
chore: configure standard-version
refactor: replace euler angles helper with licensed code
docs: fix error in example
docs: hide undocumented classes
docs: generally fill out docs
refactor: simplify OpenCL context initialisation
docs: add link to Doxygen docs
fix: make functions virtual to allow override
fix: work around OpenCV bug that releases the OpenCL context
docs: Doxygen improvements
fix: also recycle output frames