Add recipe for pyemir

[sergiopasra]

PyEmir is the data reduction pipeline for processing data obtained with EMIR, at the 10.4m GTC Telescope

[conda-forge-linter]

Hi! This is the friendly automated conda-forge-linting service.

I wanted to let you know that I linted all conda-recipes in your PR (recipes/pyemir) and found some lint.

Here's what I've got...

For recipes/pyemir:

• There are 1 too many lines. There should be one empty line at the end of the file.

[conda-forge-linter]

Hi! This is the friendly automated conda-forge-linting service.

I just wanted to let you know that I linted all conda-recipes in your PR (recipes/pyemir) and found it was in an excellent condition.

[synapticarbors]

Everything looks good to me. I just changed build to host but after everything passes, I'm happy to merge

[sergiopasra]

I don't know if this is normal, but the repository has been created but it is empty

https://github.com/conda-forge/pyemir-feedstock

[jakirkham]

There is an ongoing issue with conversion. ( #6659 )