Added feature to build collections of ROM's based on a filter (#76)

* fix: added visual feed back for mass rom matching

* chore(deps): EmulatorJS version bump

* chore(deps): nuget package version bump

* feat: added cover art to the emulator

* ci: updated .gitignore

* ci: remove .DS_Store files

* feat: updated the about box, and labeled the IGDB user score

* chore(deps): EmulatorJS version bump

* feat: start of collections build, and styling changes

* fix: updated PlatformMap.json file with more platforms and fixed SNES extensions

* feat: more progress on romsets

* doc: updated readme to include new screenshots and discord link

* fix: repairs an issue where the author column in signatures was too narrow

* chore(deps): EmulatorJS version bump

* feat: Collection build code mostly complete

* fix: renamed collection classes to avoid conflicts in Swagger

* Re-wrote collection builder to correct major bugs and performance

* Completed collection builder and zipper

* API changes completed

* Fixed some last minute Collections API bugs

* Collections mostly complete. Todo: delete button

* Completed collections build

README.MD

@@ -5,6 +5,7 @@ This is the server for the Gaseous system. All your games and metadata are store
 ## Screenshots
 ![Library](./screenshots/Library.png)
 ![Game](./screenshots/Game.png)
+![Emulator](./screenshots/Emulator.png)
 
 ## Requirements
 * MySQL Server 8+
@@ -18,6 +19,9 @@ The following projects are used by Gaseous
 * https://github.com/kamranayub/igdb-dotnet
 * https://github.com/EmulatorJS/EmulatorJS
 
+## Discord Server
+[![Join our Discord server!](https://invite.casperiv.dev/?inviteCode=Nhu7wpT3k4&format=svg)](https://discord.gg/Nhu7wpT3k4)
+
 ## Configuration File
 When Gaseous-Server is started for the first time, it creates a configuration file at ~/.gaseous-server/config.json if it doesn't exist. Some values can be filled in using environment variables (such as in the case of using docker).