add naima to requirements.txt
add naima to requirements.txt

astropy/conda-builder-affiliated,mwcraig/conda-builder-affiliated,kbarbary/conda-builder-affiliated,mwcraig/conda-builder-affiliated,bmorris3/conda-builder-affiliated,astropy/conda-build-tools,kbarbary/conda-builder-affiliated,Cadair/conda-builder-affiliated,astropy/conda-build-tools,bmorris3/conda-builder-affiliated,Cadair/conda-builder-affiliated,astropy/conda-builder-affiliated