Update README links to the latest Cosmograph app

docs(api): mark cluster positions as readonly and document non-mutation contract

perf: cache cluster centroid positions when simulation is inactive

fix: include image size in hover shader output

fix: use max of shape and image size for hover detection, ring, and area selection

fix: preserve hover state on render()

build(deps): bump the npm_and_yarn group across 1 directory with 1 update

feat: allow pointDefaultShape to accept PointShape enum or string name

feat: add pointDefaultShape config property

feat!: RGBA tuple colors now expect 0..1 instead of 0..255

docs: add GraphConfigInterface removal to v3 migration guide

fix(docs): clarify create() method description in JSDoc and API reference

fix(docs): correct JSDoc and API reference inconsistencies with codebase

docs: document setConfig reset behavior, setConfigPartial, and init-only fields

docs: add v3 migration guide and update README with v3 release notes