add note about dash7

docs/software/mesh-alg.md

@@ -10,6 +10,7 @@ TODO:
 * DONE read about mesh routing solutions (DSR and AODV)
 * DONE read about general mesh flooding solutions (naive, MPR, geo assisted)
 * DONE reread the disaster radio protocol docs - seems based on Babel (which is AODVish)
+* possibly dash7? https://www.slideshare.net/MaartenWeyn1/dash7-alliance-protocol-technical-presentation  https://github.com/MOSAIC-LoPoW/dash7-ap-open-source-stack
 * update duty cycle spreadsheet for our typical usecase
 * generalize naive flooding on top of radiohead or disaster.radio? (and fix radiohead to use my new driver)