4.x
Replace .png to .dot
Merge pull request #21775 from luzpaz:typos/gapi
doc: removed duplicated markdown file, fixed gapi tutorial
Fix spelling typos
Bring updates from openvino version of standalone files
Merge pull request #20857 from alexgiving:atrutnev/move_API_samples
Merge pull request #25042 from mshabunin:doc-upgrade