Add onfo on this doc and its overview status
Add onfo on this doc and its overview status

Reference *CONTRIBUTING.md* and *S26* as the primary sources of this info.
perl6/doc,dmaestro/doc,stmuk/doc,dmaestro/doc,antquinonez/doc,jonathanstowe/doc,perl6/doc,gfldex/doc,perl6/doc,jonathanstowe/doc,antquinonez/doc,tbrowder/doc,dmaestro/doc,jonathanstowe/doc,MasterDuke17/doc,dmaestro/doc,jonathanstowe/doc,stmuk/doc,tbrowder/doc,gfldex/doc,antquinonez/doc,tbrowder/doc,perl6/doc,jonathanstowe/doc,antquinonez/doc,antquinonez/doc,perl6/doc,gfldex/doc,gfldex/doc,MasterDuke17/doc,stmuk/doc,stmuk/doc,stmuk/doc,MasterDuke17/doc,tbrowder/doc,gfldex/doc,MasterDuke17/doc,dmaestro/doc