Add Source-Specific Multicast (SSM) support to explainer (#83)

Add source specific multicast to spec (#81)

Modify spec to add multicast (#79)

Add explainer for Multicast capabilities (#78)

Introduce direct-sockets-private permissions policy and impose additional port restrictions (#74)

Add an xref to isolated-contexts in the spec (#71)

Update the Security&Privacy Questionnaire (#70)

Reference IsolatedContext in the spec (#69)

Add example links to README.md (#67)

Update explainer to reflect up-to-date state of the API as of M111 (#60)

Add TCPServerSocket section & relevant algorithms (#62)

Add bound mode for UDPSocket (#66)

Modernize streams info and add BYOB reading for TCPSocket (#65)

Update ReSpec config and a few cross references (#64)

Apply formatting to index.html (spec) (#63)