new module: primer3

### Is there an existing module for this? - [x] I have searched for the existing module ### Is there an open PR for this? - [x] I have searched for existing PRs ### Is there an open issue for this? - [x] I have searched for existing issues ### Further Information https://github.com/primer3-org/primer3 ### Are you going to work on this? - [x] If I'm planning to work on this module, I added myself to the `Assignees` to facilitate tracking who is working on the module ### Software requirements (conda) ```yaml --- # yaml-language-server: $schema=https://raw.githubusercontent.com/nf-core/modules/master/modules/environment-schema.json channels: - conda-forge - bioconda dependencies: - bioconda::primer3=2.6.1 ```