administrivia: first cut at real searches

[Richard Welty <rwelty@domain.elided>]

there are two searchs in place now.

there is a google search linked at

/alfa/archive/

that searches the entire digest.net site, alfas and other cars as
well, and isn't guaranteed to be current.

there is a more focused search, the first link to which is at

/alfa/archive/v8/

which searches a specific component of the archives. i will be
broadening this search to those components of the archives which are
in web form (currently v6, the very incomplete v7, and the new v8.)

a future project may convert the digest format archives into web
archives similar to those already in existence, but that's another
project.

richard

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