Create an overview about logging best practices

**Goal**
I want to know about logging best practices. I want to know the best practices in order to think about a concrete implementation next.

**Context**
A first approach for logging has been implemented.
Let's continue by doing it more systemically.

**Questions**
1. How does good Logging look like?
2. What shall be logged?
3. Is there something like a looking strategy that should be defined?