There's actually a known bug that we're fixing with backlinks in preview, so that should work soon. You can also use the backlinks panel (In the Explorer section of the side bar, should be at the bottom).
Otherwise if you want to automatically add some text to new notes, Dendron has template support:
https://wiki.dendron.so/notes/861cbdf8-102e-4633-9933-1f3d74df53d2/
We have plans to add query support which would let you do "who did I meet with for any meeting of this project", but it's not possible right now unfortunately. You would have to manually add everyone to
project.project-name
, or write a script outside Dendron that does that.