Overview of changes for 0.91
============================
* removed RestAuth object
* added an demo application to showcase librest
* removed OAuth1 Proxy
* added soupapiversion to pkg-config file in order to check the which soup version
  this library got built with
* build against libsoup3 by default

Overview of changes for 0.9
===========================
* new oauth2 proxy to accomplish pkce workflow with api endpoints
* introduced meson as buildsystem
* introduced the possibility to build librest with soup-2.4 or soup-3.0
