Draft: modify HIFIS logo minimally

According to new Helmholtz CI:

• modify blue to 0,40,100 (primary color)
• modify green to 0,128,64 (secondary color, "claim green")
• Adopt "FEDERATED IT SERVICES" to Noto Sans, like for hifis.net
• try hifis.net with corrspondingly darker borders

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old:

Proposals:

V1

V2

V3