v1.69.3
docs: upgrade fontawesome to v6
docs: Add rcloneui.com as Silver Sponsor
Start v1.69.3-DEV development
docs: markdownify the strings in the commands index
docs: add FileLu as sponsors and tidy sponsor logos
docs: move most of the chrome into baseof.html as per a modern hugo install
Update urls to https after site move
Update templates to changes in the latest hugo version