Format the edn file Format file is not blocking if the formatter is not setup or if the file does not exist

Returns nil if successfully updated Params: * filename to format

Read file which name is edn-filename.

Returns:

• filename
• raw-content if file can be read.
• invalid? to true whatever why.
• exception if something wrong happened.
• edn if the translation.

Spit the content in the edn file called edn-filename. Params: * edn-filename Filename * content What is spitted Return nil if successful else map with :exception