adding links in docs

shared-bindings/keypad/__init__.c

@@ -86,6 +86,9 @@ const mp_obj_property_t keypad_generic_events_obj = {
 //| connected independently to individual pins,
 //| connected to a shift register,
 //| or connected in a row-and-column matrix.
+//|
+//| For more information about working with the `keypad` module in CircuitPython,
+//| see `this Learn guide <https://learn.adafruit.com/key-pad-matrix-scanning-in-circuitpython>`_.
 //| """
 //|
 

shared-bindings/msgpack/__init__.c

@@ -41,6 +41,9 @@
 //|
 //| Not implemented: 64-bit int, uint, float.
 //|
+//| For more information about working with msgpack,
+//| see `the CPython Library Documentation <https://msgpack-python.readthedocs.io/en/latest/?badge=latest>`_.
+//|
 //| Example 1::
 //|
 //|    import msgpack

shared-bindings/sharpdisplay/__init__.c

@@ -31,9 +31,12 @@
 
 #include "shared-bindings/sharpdisplay/SharpMemoryFramebuffer.h"
 
-//| """Support for Sharp Memory Display framebuffers"""
+//| """Support for Sharp Memory Display framebuffers
+//|
+//| For more information about working with Sharp Memory Displays,
+//| see `this Learn guide <https://learn.adafruit.com/adafruit-sharp-memory-display-breakout/circuitpython-displayio-setup>`_.
+//| """
 //|
-
 STATIC const mp_rom_map_elem_t sharpdisplay_module_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_sharpdisplay) },
     { MP_ROM_QSTR(MP_QSTR_SharpMemoryFramebuffer), MP_ROM_PTR(&sharpdisplay_framebuffer_type) },

shared-bindings/touchio/__init__.c

@@ -45,7 +45,10 @@
 //| call :py:meth:`!deinit` or use a context manager. See
 //| :ref:`lifetime-and-contextmanagers` for more info.
 //|
-//| For example::
+//| For more information about working with the `touchio` module in CircuitPython,
+//| see `this Learn guide page <https://learn.adafruit.com/circuitpython-essentials/circuitpython-cap-touch>`_.
+//|
+//| Example::
 //|
 //|   import touchio
 //|   from board import *