adding diffusioncma package

[Olllom]

Checklist

• Title of this PR is meaningful: e.g. "Adding my_nifty_package", not "updated meta.yaml"
• License file is packaged (see here for an example)
• Source is from official source
• Package does not vendor other packages. (If a package uses the source of another package, they should be separate packages or the licenses of all packages need to be packaged)
• If static libraries are linked in, the license of the static library is packaged.
• Build number is 0
• A tarball (url) rather than a repo (e.g. git_url) is used in your recipe (see here for more details)
• GitHub users listed in the maintainer section have posted a comment confirming they are willing to be listed there

[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/diffusioncma) and found some lint.

Here's what I've got...

For recipes/diffusioncma:

• There are 1 too many lines. There should be one empty line at the end of the file.
• about/license_family 'GNU' not allowed. Allowed families are AGPL,
  APACHE, BSD, CC, GPL, GPL2, GPL3, LGPL, MIT, MOZILLA, NONE, OTHER,
  PROPRIETARY, PSF, and PUBLIC-DOMAIN.
• requirements: build: cmake>=3.12.1 must contain a space between the name and the pin, i.e. cmake >=3.12.1
• requirements: run: Click>=6.0 must contain a space between the name and the pin, i.e. Click >=6.0

For recipes/diffusioncma:

• License is not an SPDX identifier (or a custom LicenseRef) nor an SPDX license expression.

[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/diffusioncma) and found some lint.

Here's what I've got...

For recipes/diffusioncma:

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

For recipes/diffusioncma:

• License is not an SPDX identifier (or a custom LicenseRef) nor an SPDX license expression.

[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/diffusioncma) and found some lint.

Here's what I've got...

For recipes/diffusioncma:

• 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/diffusioncma) and found it was in an excellent condition.

[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/diffusioncma) and found some lint.

Here's what I've got...

For recipes/diffusioncma:

• Selectors are suggested to take a <two spaces>#<one space>[<expression>] form. See lines [35]

[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/diffusioncma) and found it was in an excellent condition.

[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/diffusioncma) and found some lint.

Here's what I've got...

For recipes/diffusioncma:

• Selectors are suggested to take a <two spaces>#<one space>[<expression>] form. See lines [35, 36, 37, 44, 45, 57, 58]

[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/diffusioncma) and found it was in an excellent condition.

[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/diffusioncma) and found some lint.

Here's what I've got...

For recipes/diffusioncma:

• The build section contained an unexpected subsection name. patches is not a valid subsection name.

[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/diffusioncma) and found it was in an excellent condition.

[Olllom]

@conda-forge/help-python ready for review

[Olllom]

@conda-forge/help-c-cpp ready for review

[Olllom]

Link to project diffusioncma

[xhochy]

Thanks also for taking care of libcmaes!