Major Refactor (#2)

* Major reworks

* More refactoring

* Refactor feature complete!

* Comments

* Add versioning

core/configuration.go

@@ -0,0 +1,14 @@
+package core
+
+type Config struct {
+	Discord DiscordConfig `yaml:"discord"`
+}
+
+type DiscordConfig struct {
+	Token   string `yaml:"token" env:"DISCORD_TOKEN"`
+	GuildID string `yaml:"guild_id" env:"DISCORD_GUILD_ID"`
+
+	EventCategory       string `yaml:"event_category" env:"DISCORD_EVENT_CATEGORY"`
+	ArchiveCategory     string `yaml:"archive_category" env:"DISCORD_ARCHIVE_CATEGORY"`
+	NotificationChannel string `yaml:"notification_channel" env:"DISCORD_NOTIFICATION_CHANNEL"`
+}