Slackord v2.4.3.3

FIX - Files folder was set to be built on startup. It's now included by default in the build. (Linux/Mac only)
REMOVE - Creation of Files folder on launch of Slackord (Linux/Mac only).
Upgrade Discord.NET to 3.9.0. (All platforms).
Upgrade Octokit to 4.0.3 (All platforms).
Full Changelog: v2.4.3.2...v2.4.3.3