When no license text is found: Take standard license text from SPDX?

[codepunkt]

Additionally, the license holder placeholder could be replaced by the contents of the package.json author field.

[codepunkt]

After we've thought this through, templating the package.json author into the spdx license text placeholders seems like a bad idea. Still, retrieving default license texts from spdx or a directory (for build environments without external connectivity) sounds like a good idea.