moved bmad-core to dot folder so when adding to project it is clear its not part of the project it is added to

bmad-core/agent-teams/team-fullstack.yml

@@ -1,25 +0,0 @@
-bundle:
-  name: Team Fullstack
-  description: >-
-    Comprehensive full-stack development team capable of handling both greenfield 
-    application development and brownfield enhancement projects. This team combines 
-    strategic planning, user experience design, and holistic system architecture 
-    to deliver complete solutions from concept to deployment. Specializes in 
-    full-stack applications, SaaS platforms, enterprise apps, feature additions, 
-    refactoring, and system modernization.
-
-agents:
-  - bmad-orchestrator
-  - analyst
-  - pm
-  - ux-expert
-  - architect
-  - po
-
-workflows:
-  - brownfield-fullstack
-  - brownfield-service
-  - brownfield-ui
-  - greenfield-fullstack
-  - greenfield-service
-  - greenfield-ui