* ITS-21: Make the spec ready for ReDoc
* ITS-21: Make it possible to define paths in subdirs
* ITS-21: Translate tags back to English + abuse x-displayName
* ITS-21: Introduce Makefile
* ITS-21: Describe analytics operations more
* ITS-21: Describe analytics definitions more
* ITS-21: Fix tag descriptions a bit
* ITS-21: Describe geo operations
* ITS-21: Translate common parameter descriptions
* ITS-21: Describe invoice/payments operations and definitions
* ITS-21 Make shop/party activation/suspension truly idempotent. Fix UpdateShopArgs definition
* ITS-21: Describe payments/tokens operations and definitions
* ITS-21: Describe invoice.reason property
* ITS-21: Describe user interactions
* ITS-21: Unskuccaite all the paths backs
* ITS-21: Fix warnings + use hack w/ allOf where applicable
* ITS-21 Rename all Args to Params
* ITS-21 Rename context to metadata
