Add comprehensive architecture, use case, and system documentation for Krow platform

- Introduced architecture overview for the Staff Mobile Application, detailing its high-level structure, major components, and data flow.
- Created use case documentation for the Staff Mobile Application, outlining user interactions and workflows.
- Developed a system bible for the Krow Platform, covering system vision, architecture, use cases, and security models.
- Added architecture overview for the Krow Web Application, including its component structure and external system interactions.
- Documented use cases for the Krow Web Application, detailing workflows for different user roles and shared functional modules.

internal/launchpad/assets/diagrams/diagrams-config.json

@@ -59,66 +59,6 @@
     "type": "mermaid",
     "icon": "bi-geo-alt"
   },
-  {
-    "path": "assets/diagrams/legacy/staff-mobile-application/overview.mermaid",
-    "title": "Legacy App Overview",
-    "type": "mermaid",
-    "icon": "bi-phone"
-  },
-  {
-    "path": "assets/diagrams/legacy/staff-mobile-application/use-case-flowchart.mermaid",
-    "title": "Legacy App Use Cases",
-    "type": "mermaid",
-    "icon": "bi-diagram-2"
-  },
-  {
-    "path": "assets/diagrams/legacy/staff-mobile-application/api-map.mermaid",
-    "title": "Legacy App API Map",
-    "type": "mermaid",
-    "icon": "bi-phone"
-  },
-  {
-    "path": "assets/diagrams/legacy/staff-mobile-application/use-case-flows.mermaid",
-    "title": "Legacy App Use Cases BE Chart",
-    "type": "mermaid",
-    "icon": "bi-diagram-2"
-  },
-  {
-    "path": "assets/diagrams/legacy/staff-mobile-application/backend-architecture.mermaid",
-    "title": "Legacy App Backend Architecture",
-    "type": "mermaid",
-    "icon": "bi-diagram-2"
-  },
-  {
-    "path": "assets/diagrams/legacy/client-mobile-application/overview.mermaid",
-    "title": "Legacy App Overview",
-    "type": "mermaid",
-    "icon": "bi-phone"
-  },
-  {
-    "path": "assets/diagrams/legacy/client-mobile-application/use-case-flowchart.mermaid",
-    "title": "Legacy App Use Cases",
-    "type": "mermaid",
-    "icon": "bi-diagram-2"
-  },
-  {
-    "path": "assets/diagrams/legacy/client-mobile-application/api-map.mermaid",
-    "title": "Legacy App API Map",
-    "type": "mermaid",
-    "icon": "bi-phone"
-  },
-  {
-    "path": "assets/diagrams/legacy/client-mobile-application/use-case-flows.mermaid",
-    "title": "Legacy App Use Cases BE Chart",
-    "type": "mermaid",
-    "icon": "bi-diagram-2"
-  },
-  {
-    "path": "assets/diagrams/legacy/client-mobile-application/backend-architecture.mermaid",
-    "title": "Legacy App Backend Architecture",
-    "type": "mermaid",
-    "icon": "bi-diagram-2"
-  },
   {
     "path": "assets/diagrams/dataconnect/uml/user_uml_diagram.mmd",
     "title": "User UML Diagram Dataconnect",