pidgin/pidgin

Move the Demo and IRCv3 protocols to the new protocols directory

Testing Done:
Ran `meson dist` and `ninja turtles`

Reviewed at https://reviews.imfreedom.org/r/3047/
syntax: glob
.*.swp
.DS_Store
.flatpak-builder
*.pyc
*~
\#*\#
syntax: regexp
^build(.+)?\/
win32-install-dir(\.release)?
po\/pidgin3\.pot$
^subprojects\/.+\/