Add newline before list

Author: hoodmane

peps/pep-0776.rst

@@ -479,6 +479,7 @@ non-pthreads build, the address space of the WebAssembly module is not shared,
 so it is impossible for any thread capable of seeing an interrupt to write to
 the eval breaker while the Python interpreter is running code. To work around
 this, there are two possible solutions:
+
 * If Emscripten is run in a webworker and served with the shared memory headers,
   it is possible to use shared memory outside of the WebAssembly address space
   as a signal buffer. A signal handling UI thread can write the desired signal