Add mechasuite recipe

[rm-compchem]

added mechasuite recipe

Checklist

• Title of this PR is meaningful: e.g. "Adding my_nifty_package", not "updated meta.yaml".
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[conda-forge-admin]

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/mechasuite/meta.yaml) and found some lint.

Here's what I've got...

For recipes/mechasuite/meta.yaml:

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

_{This message was generated by GitHub Actions workflow run https://github.com/conda-forge/conda-forge-webservices/actions/runs/21173866575. Examine the logs at this URL for more detail.}

[rm-compchem]

The meta.yaml has been updated according to the comments of conda-forge-linter