doc: Add best practices section to creating applications#24

i3mSuperMan wants to merge 1 commit intodoc/app-best-practicesCyberEyeResearchLabs/lorawan-stack-docs:doc/app-best-practicesfrom

doc/app-best-practices-devCyberEyeResearchLabs/lorawan-stack-docs:doc/app-best-practices-devCopy head branch name to clipboard