Feature/expansionpack 2d unity game dev (#332)

* Added 1.0 files

* Converted agents, and templates to new format. Updated filenames to include extensions like in unity-2d-game-team.yaml, Updated some wordage in workflow, config, and increased minor version number

* Forgot to remove unused startup section in game-sm since it's moved to activation-instructions, now fixed.

* Updated verbosity for development workflow in development-guidenlines.md

* built the web-dist files for the expansion pack

* Synched with main repo and rebuilt dist

* Added enforcement of game-design-checklist to designer persona

* Updated with new changes to phaser epack that seem relevant to discussion we had on discord for summarizing documentation updates

* updated dist build for our epack

expansion-packs/bmad-2d-unity-game-dev/agent-teams/unity-2d-game-team.yaml

@@ -0,0 +1,13 @@
+bundle:
+  name: Unity 2D Game Team
+  icon: 🎮
+  description: Game Development team specialized in 2D games using Unity and C#.
+agents:
+  - analyst
+  - bmad-orchestrator
+  - game-designer
+  - game-developer
+  - game-sm
+workflows:
+  - unity-game-dev-greenfield.md
+  - unity-game-prototype.md