skills/brainstorming/SKILL.md

DataLens follows a mandatory workflow for features which includes referring to the skills/brainstorming/SKILL.md design element for brainstorming steps. DataLens agent mandates following the workflow defined in skills/brainstorming/SKILL.md for new features: Brainstorm, Design, Review, Build. DataLens mandates following the Brainstorm-Design-Review-Build workflow described in skills/brainstorming/SKILL.md for new features and significant changes.