docstring formatting

[Roger-luo]

google style (see also sphinix google style) with markdown syntax in the context

short description of the function

Args:
   <name> (<type>): <explaination>

Returns:
   <type>: <explaination>

Raises:
   <exception>: <explaination>

Note:
   <description>

for functions in the builder chain, an extra hint on the following functions can be annotated after the above as

bloqade-python/src/bloqade/builder/pragmas.py

Line 132 in 142d349

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