refactor(Application Plugins): Indent listing of installed addons/plugins and add example plugins for testing

fix(Toml Sideness Scanning): Correctly scan mods.toml in newer Forge mods for their sideness, prevent false-positives.

fix(Toml Sideness Scanning): Correctly scan mods.toml in newer Forge mods for their sideness, prevent false-positives.

Note to self - Don't try to use DI in unit tests, or singletons, OR ANYTHING ELSE THAT WOULD MAKE MY LIFE EASIER...

fix(Illegal Characters Check): Remove ' from check for illegal characters. It CAN be used in filenames and paths. The more you know, eh?

chore(Fallback Modslist): Update fallback modslist with clientside-only mods kindly gathered by BisectHosting and @AzureDoom.

fix(Toml Sideness Scanning): Correctly scan mods.toml in newer Forge mods for...

See merge request !269