Some things that I need to document

• Document implementing Decode and Encode manually Update documentation #480
• List of config options to use for max compression/performance/etc Update documentation #480
• See Config for more information on the configuration options. needs to point to Configuration Update documentation #480
• Best practice of adding const CONFIG: Configuration = Configuration::standard().with_xxx(); to your binary
• Make docs consistent about fixed-size array length encoding Update documentation #480
• Fix Decoder::config() incorrectly reporting it returns a mutable reference Update documentation #480
• Migration guide Migration guide #482