* [presubmit] Enforce language attribute in projectt.yaml to be always set.
* Update documentation, better presubmit check, new project template.
* add docstring to templates.py
* Add example values in the project.yaml template and remove python value for now
* Add "project: c++" to 256 projects
* format
* Add labels and selective_unpack sections to the presubmit check
* fix incorrect auto_ccs format in three projects
* fix nss emails after rebase
OpenSC provides a set of libraries and utilities to work with smart
cards. Its main focus is on cards that support cryptographic operations,
and facilitate their use in security applications such as
authentication, mail encryption and digital signatures. OpenSC
implements the standard APIs to smart cards, e.g. PKCS#11 API, Windows’
Smart Card Minidriver and macOS Tokend.