fix -Wdocumentation warnings

[chapman39]

TODO

• add -Wdocumentation to build
• fix rest of errors

/home/epperly2/current/lido/lido-2.0/smith_cz/smith/src/smith/infrastructure/../../smith/numerics/functional/domain_integral_kernels.hpp:89:10: error: unrecognized parameter passing direction, valid directions are '[in]', '[out]' and '[in,out]' [-Werror,-Wdocumentation]
   89 |  * @param[inout] qpt_data The state information at the quadrature point
      |          ^~~~~~~
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.