If SCIP is supported, please add it in Readme

[ManOntheWindows]

As update note says, "New solver interface for SCIP https://www.scipopt.org/. This solver is now supported by linopy and can be used with the solve function if the pyscipopt package is installed. The solver is available for free for general use. See the SCIP website https://www.scipopt.org/ for more information."

So if SCIP is support, please add it in readme to make it clear :)