pidgin/pidgin

Move zephyr<->html conversion to own module

2021-01-02, Arkadiy Illarionov
675b8605dca2
Move zephyr<->html conversion to own module

* Reorganize meson.build
* Also remove unused header

Testing Done:
Compiled.

Reviewed at https://reviews.imfreedom.org/r/302/
nullclient = executable('nullclient', 'nullclient.c', 'defines.h',
c_args : ['-DSTANDALONE'],
dependencies : [libpurple_dep, glib])