Add message for attaching game log

[Marcono1234]

Also resolves #133

Any feedback is appreciated!

Have marked this as Draft for now because I am not sure if we should use the MinecraftHopper articles for getting the latest logs or copying the game output.
Both currently recommend to use https://paste.gg/ and to include the Discord username, which probably overcomplicates it for our Mojira usecase. Additionally copying the game output directly from the launcher window seems a bit error-prone to me. What do you think?

[osfanbuff63]

Maybe we should say that it shouldn't be marked to expire (expires: unlimited) since that could potentially cause issues with people looking at it later. Also, should the minecraft data folder be the .minecraft folder?

[Marcono1234]

Maybe we should say that it shouldn't be marked to expire (expires: unlimited)

Do you mean for https://paste.gg/? My main concern is that it is a third-party site and overcomplicates it. Maybe for the Community Support Discord, for which I assume the MinecraftHopper articles are mainly intended, this approach is the easiest one. But for Mojira I think directly attaching the file is the easiest solution. That avoids having the user copy the file content, which could lead to incomplete log file contents.

Also, should the minecraft data folder be the .minecraft folder?

Apparently for macOS it is ~/Library/Application Support/minecraft (without .), but maybe the current phrase in the new message is not ideal.

[violine1101]

Hmm. The guides at minecrafthopper.net are good, but yeah they don't quite fit the Mojira usecase.

Maybe the easiest way to solve this is to create new guides for Mojira specifically (based on the minecrafthopper guides of course). I'm thinking of filing WEB tickets for those (which would be resolved as Invalid), that way they can also be edited easily if necessary.

Apart from that I'd love to get this PR merged.