v2.0.0

• Breaking change: rename contentType prepare option to mimeType and contentTypeCharset to mimeTypeCharset
• Breaking change: rename storage option defaultContentType to defaultMimeType
• Breaking change: replace defaultCharsets and mimeModule storage options with mimeTypeLookup and
  mimeTypeDefaultCharset functions
• Breaking change: contentEncoding in storage information is now (and needs to be) undefined when identity is used
• Feature: mime package is replaced by mime-types for charset lookups
• Feature: Add dynamicCompression and mimeTypeCompressible storage options
• Feature: Add cacheControl, contentDispositionType and contentDispositionType in storage information
• Use fastify v3 in examples
• Use typescript project references
• Bump typescript from 3.9.x to 4.0.x