add kiss radio env to most of the variants

variants/muziworks_r1_neo/platformio.ini

@@ -130,3 +130,8 @@ build_flags =
   -D MESH_DEBUG=1
 build_src_filter = ${R1Neo.build_src_filter}
   +<../examples/simple_sensor>
+
+[env:R1Neo_kiss_modem]
+extends = R1Neo
+build_src_filter = ${R1Neo.build_src_filter}
+  +<../examples/kiss_modem/>