update AUTHORS.rst with new contributors
update AUTHORS.rst with new contributors

asciimoo/searx,asciimoo/searx,asciimoo/searx,jcherqui/searx,dalf/searx,asciimoo/searx,dalf/searx,dalf/searx,jcherqui/searx,jcherqui/searx,jcherqui/searx,dalf/searx