Dnacauldron

* Fix 20 (case sensitivity)

* Fix 18 : compatibility with Biopython 1.80+

* Test and build on Python 3.9
* Set up Github Actions
* Fixes 16

* Fixes 9, 10, 11, 12
* Sets Biopython dependency to <=1.78

* Fix PDF report error in PIP installation (pug template now included in package)
* Correct assembly plan CSV file header (this file is used in CUBA [Create Assembly Picklists](https://cuba.genomefoundry.org/create_assembly_picklists))

- Added the parameter `include_pdf_report=False` to `AssemblyReportWriter()`. If `True`, then a PDF summary is created.