klogga v0.3 release

[Danprot]

klogga v0.3 release

• issues fixes
• lot's of new docs, but still not enough
• first batch of new features
• used internally as is!

[CLAassistant]

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1 out of 2 committers have signed the CLA.

✅ Danprot
❌ danilaprotsenko
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