v1.1.0

Extension of the codebase. Adds a new executable source/NRG_QFT_test/NRG_QFT.cpp that is used to check the fulfilment of the Bethe-Salpeter equations, the Schwinger-Dyson equation and the U(1) Ward identity.

v1.0.0

Full Changelog: https://github.com/NepomukRitz/KeldyshDiagrammatics/commits/v1.0.0