v0.5

[evermake]

• Added knip to detect unused code;
• Added Effect LSP to typechecking process;
• Removed InputFile module;
• Added File module was introduced with types supported for uploading, and with file downloading utilities;
• Added support for uploading files in BotApiTransport;
• Renamed Chat module to Dialog;
• Added support for more content types with convenient constructors;
• Merged Middleware module into Bot;
• Added BotApi.callMethod method for convenient calling arbitrary API methods;
• Added BotApiUrl module that encapsulates Bot API URL paths configuration;
• Removed BotApiWebhook module (needs better API design);
• Added Markup module (WIP);
• Enhanced Send module API by introducing MessageToSend model and Send.Dialog service;
• Updated dependencies;
• Other minor API changes and internal refactoring.

Closes #4, closes #12.