* docs(decisions): add architectural decision records structure
Create a structured decision records system to document important technical choices across multiple domains (DevOps, Network, Consensus, etc.).
This implements a modified MADR template approach for preserving context, trade-offs, and reasoning behind significant architectural decisions.
* fix(docs): suggestions from code review
Co-authored-by: Marek <mail@marek.onl>
---------
Co-authored-by: Marek <mail@marek.onl>