add uri docs
add interactivity docs
minor edits to interactivity
small fixes to expr-compute-dev
remove examples from index

We should only present this once it is more fleshed out
Merge branch 'master' into uri-docs
Merge branch 'docs-fixes'
Merge branch 'interactive-docs'
Merge branch 'uri-docs'
a variety of changes to the docs
spelling correction
remove examples for now
docs: clean up uri strings
docs: clean up index
docs: overview missing import