doc: Update docs to reference TeleMetrum v3 where appropriate Mostly just add 'or newer' to various TeleMetrum v2 bits. Also add specs for the v3 board. Signed-off-by: Keith Packard <keithp@keithp.com>
add a paragraph to the intro pointing to the altusmetrum email list
doc: Finish updates for v1.7 Scrub all TeleMini references and make sure they're fixed for v3. No 'emergency' mode yet. No reflashing yet. Add v1.7 release notes. Signed-off-by: Keith Packard <keithp@keithp.com>
doc: Start doc transition to asciidoc Signed-off-by: Keith Packard <keithp@keithp.com>