Added myself to AUTHORS.rst
Added myself to AUTHORS.rst

Signed-off-by: Mads Robin Christensen <13c4796fe6e03f2df77af87a851c902dd8f7c980@v42.dk>

matrix-org/synapse,matrix-org/synapse,matrix-org/synapse,TribeMedia/synapse,TribeMedia/synapse,matrix-org/synapse,TribeMedia/synapse,TribeMedia/synapse,matrix-org/synapse,TribeMedia/synapse,matrix-org/synapse