card: Lab + Create your own buttons side by side

card: Create your own button next to Lab button

card: link projectsim API docs

Brand: 'projectsim' lower-case throughout

Dataset card: 'Open in ProjectSim Lab' hero + fix dead articulated-lab link

Update README.md

Add self-contained MuJoCo MJCF (<id>.xml) per item

link: space renamed to articulated-lab

card: robotics task facet + discovery tags

quickstart: curl download flow

agents: drop API docs link

readme: drop API docs link (docs not live yet)

readme: defer GitHub link

v0.1.0: initial release

v0.1.0: initial release

initial commit