* Documentation: add Doxyfile, prepare sources for doxygen. * Update ReadMe and remove obsolete CLA * Add contribution guide * Contributing: update text * Correct spelling
* FuriHal: crypto layer * Furi: add crash routine. * FuriHal: crypto api. Crypto: cli command to manipulate secure enclave and encrypt/decrypt plain text. * DeviceInfo: secure enclave verification. * Rename original to enclave_valid * Update expected enclave signature to match production keys * F7: remove unused files