* backend - mail api for it4c
Implements an fastify backend service with an email service.
This allows to send us emails received via contact form on the website.
* optional telephone
* missing text delimiter
* start command and correct build method to classicjs
* deploy for backend & adjust README.md
* debug deploy [1]
* debug deploy [2]
* debug deploy [3]
* debug deploy [4]
* debug deploy [5]
* finish deploy script
* watch when running npm run dev
* fix format validation
* debug sendmail[1]
* debug sendmail[2]
* debug sendmail[3]
* debug sendmail[4]
* debug sendmail[5]
* env for MAIL_HOST
* referece name in email subject
* fix format string
* eslint
* backend build & lint workflows
* order comments
* unit tests
* unit test workflow
* prettier
* alias paths
* fix esm support
* 100% tests
* corrected nodejs version
* use beforeEach to clearAllMocks
This simplifies the code and reduces redundancy
* fix wrong import
