Add a CHANGELOG

[Gelean]

And a command to display it and the most recent features

[Gelean]

WIP CHANGELOG.md:

Changelog

All notable changes to this project will be documented in this file.

2.0.0 - 2021-09-25

Added

• More commands
• Modularize code

Changed

• Fixed typos in Italian translation from @lorenzo-arena.
• README changes
• Add LICENSE

Removed

• Section about "changelog" vs "CHANGELOG".

Fixed

• Fix typos in recent README changes.
• Update outdated unreleased diff link.
• Added and removed imgur command

1.0.0 - 2019-09-26

Added

• Initial bot.js layout using Discord.io
• Add playlist.txt file for SoL videos
• Add config.js file for config variables/keys
• help command
• Plex serverstatus command
• Plex search command
• playlist command
• schwifty command meme
• movietitles command - return all Plex titles
• releasedate command
• commit package.json (add package-lock in 2.0)

//https://gist.github.com/Godimas/ae8e7c7cbd6236622c777d6bcb7a6748
// Youtube video webhooks - post Dunkey, etc videos to channel in Discord
// imgur playlist - latest imgur link and greatesthits from sol - https://api.imgur.com/
// Minigame (lolis)
// Build up a to-do list of things to watch or do - Set up Mongo
// Ombi plex asks command
// Bot joins audio and plays Rick clips or YouTube clips