docs(changelog): v1.4.1 notes complete; E4000 dongles play FM and DAB
docs(home): the diagram arranged top-down, readable at the page's width
docs(diagrams): how it fits together, playing, the FM scan, the DAB lock, pictures, logos, updates, the build
docs(test-setup): what the plugin is developed and measured on
docs(wiki): the wiki: using the radio, managing it, hardware, troubleshooting, API reference, changelog
docs(wiki): initial Home page