feat: Add a foundational set of BMM, BMB, TEA, and Core workflows, agent definitions, and supporting templates.

_bmad/bmm/teams/team-fullstack.yaml

@@ -0,0 +1,12 @@
+# <!-- Powered by BMAD-CORE™ -->
+bundle:
+  name: Team Plan and Architect
+  icon: 🚀
+  description: Team capable of project analysis, design, and architecture.
+agents:
+  - analyst
+  - architect
+  - pm
+  - sm
+  - ux-designer
+party: "./default-party.csv"