Create the `imwarp()` function family

[numere-bot]

DESCRIPTION

Describe, what you observe or want to be changed:
Create the function family, which provides the imwarp() functionality. This includes the function imwarp() (or similar) as well as the creation functions for various transforms like affine() and such.

Describe, what you expect to happen:
Create the imwarp() function family.

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DEVS' SECTION

ANALYSIS

(Describe, what's the issue and which changes have to be made)

IMPLEMENTATION STEPS

(see also our Wiki for implementation guidelines)

• Implement the necessary changes in a new branch created here on GitHub
• Test your implementation

DOCUMENTATION STEPS

(see also our Wiki for further information)

• Update the changes log
• Add comments to your implementation
• Add Doxygen documentation comments- Create or update the documentation articles (*.NHLP and *.NDB files, if needed)
• Update the language strings (*.NLNG files, if needed)

PULL REQUEST

• Create a pull request for your changes
• Fill out the template
• Assign @numere-org/maintainers as reviewers