gh-103112: Add http.client.HTTPResponse.read docstring and fix pydoc output

Lib/http/client.py

@@ -448,6 +448,7 @@ def isclosed(self):
         return self.fp is None
 
     def read(self, amt=None):
+        """    Read and return the response body, or up to the next amt bytes."""
         if self.fp is None:
             return b""
 

Misc/NEWS.d/next/Documentation/2023-03-29-14-51-39.gh-issue-103112.XgGSEO.rst

@@ -0,0 +1 @@
+Add http.client.HTTPResponse.read docstring and fix help output.