ActivityWatch_docs

docs: fix hyprland watcher link (#154)

docs: improve examples, add new & updated `working-with-data` doc, reference aw-client examples better (#152)

docs: added basic staging docs, added 'meta' toctree

docs: update docs to mention cors_origins config for aw-server

docs(watchers): add aw-watcher-window-hyprland (#150)