Normalize the indentations

[MangelMaxime]

The template is sometimes using 2, 3 or 4 spaces indentation. We should have only one indentation types in general it's 4 spaces.

[forki]

Yes 4 spaces. Please Maxime Mangel <notifications@github.com> schrieb am Fr., 11. Mai 2018, 15:05:

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The template is sometimes using 2, 3 or 4 spaces indentation. We should have only one indentation types in general it's 4 spaces. — You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub <#92>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AADgNEF1PhUfVbJOFEL5apm3T9Y0Agzsks5txYyTgaJpZM4T7bXF> .

[theimowski]

argh I got used to 2 spaces, but willing to switch to a standard used more often.
I guess this should go in pair with adding an editorconfig file

[isaacabraham]

Yeah most people seem to have standardised on 4 spaces.