[doc] Update Changelog for 2.2.0 compatibility release

doc/ChangeLog.md

@@ -1,3 +1,36 @@
+Version 2.2.0
+-------------
+
+TPRF version 2.2.0 is a compatibility release
+for TRIQS version 2.2.0. It provides improvements to
+the documentation and fixes various smaller issues.
+
+We provide a more detailed description of the changes below.
+
+doc
+---
+* Include debian package on installation page
+* Correct triqs links in conf.py.in
+* Fixes of various spelling error
+* Remove generated documentation, only regenerate on doc build
+
+fourier
+-------
+* Fix sanitizer positives related to triqs unstable view adjustments
+
+General
+-------
+* FIX in bse.py, We cannot generally guarantee that Idx(0,1,2) is a valid index of the mesh
+* FIX Do not use bracket operator of gf when domain_pt of cluster mesh is passed
+* Instead of gf<..>::zero_t use ::target_t::value_t
+* Use zeros(g.target_shape()) instead of g.get_zero()
+* Changes to restore triqs/2.2.0 compatibility
+
+hf
+--
+* Explicitly check compatibility of H_int and gf_struct
+
+
 Version 2.1.1
 -------------