📝 added documentation using mkdocs #282

Job	Run time
gst-web image build & publish	24s
py-build image build & publish	32s
conda image build & publish	22m 1s
coturn image build & publish	25s
coturn-web image build & publish	11m 46s
gstreamer-ubuntu20.04 image build & publish	20m 40s
gstreamer-ubuntu22.04 image build & publish	19m 26s
gstreamer-ubuntu24.04 image build & publish	20m 29s
js-interposer-ubuntu20.04 image build & publish	2m 2s
js-interposer-ubuntu22.04 image build & publish	1m 56s
js-interposer-ubuntu24.04 image build & publish	4m 15s
turn-rest image build & publish	32s
infra-gcp-installer image build & publish	27s
gst-py-example-ubuntu20.04 image build & publish	4m 55s
${{ matrix.name }}${{ matrix.version_suffix }}${{ matrix.suffix }}_${{ matrix.platforms \|\| 'linux/amd64' }} build artifact extraction & upload	0s
gst-py-example-ubuntu22.04 image build & publish	5m 19s
gst-py-example-ubuntu24.04 image build & publish	6m 1s
	2h 1m 10s

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