feat: Complete Phase 5C and Phase 5D documentation, including performance metrics, SEO optimization, and advanced features implementation

docs: Add production deployment success documentation for Azure Static Web App

docs: Create Quick Start guide for project setup and deployment instructions

docs: Update README.md to include new documentation links and structure

docs: Enhance User Manual with detailed portal access, roles, and AI assistance features

scripts: Implement architecture diagram export script using Mermaid CLI

scripts: Create script to auto-generate documentation index for easier navigation

chore: Remove unused update-doc-index script

docs/ArchitectureDiagram.mmd

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+%% Mermaid architecture diagram for Miracles In Motion platform
+%% Generate PNG: npx @mermaid-js/mermaid-cli -i docs/ArchitectureDiagram.mmd -o docs/ArchitectureDiagram.png
+
+flowchart LR
+	subgraph Client[Client Layers]
+		A1[Public Site (React/Vite)] --> A2[Portals Suite]
+		A2 --> A3[PWA Service Worker]
+		A2 --> A4[i18n Engine]
+		A2 --> A5[AI Assistance UI]
+	end
+
+	subgraph Edge[Azure Static Web Apps]
+		SWA[Static Web App Front-end]
+		APIProxy[Managed Functions Proxy]
+	end
+
+	subgraph Functions[Azure Functions (Premium Plan)]
+		F1[API Endpoints]
+		F2[AI Matching Orchestrator]
+		F3[Notification Dispatcher]
+		F4[Stripe Handler]
+	end
+
+	subgraph Data[Data & Integration]
+		Cosmos[(Cosmos DB)]
+		KV[(Key Vault Secrets)]
+		SignalR[(SignalR Service)]
+		Salesforce[(Salesforce CRM)]
+	end
+
+	subgraph Observability[Monitoring]
+		AIInsights[Application Insights]
+		Logs[Log Analytics Workspace]
+	end
+
+	Client --> SWA
+	SWA --> APIProxy --> F1
+	F1 --> Cosmos
+	F2 --> Cosmos
+	F2 --> SignalR
+	F3 --> SignalR
+	F4 --> Cosmos
+	F4 --> KV
+	F1 --> KV
+	F1 --> Salesforce
+	F1 --> AIInsights
+	F2 --> AIInsights
+	F3 --> AIInsights
+	F4 --> AIInsights
+	AIInsights --> Logs
+
+	classDef data fill:#eef,stroke:#336,stroke-width:1px;
+	class Cosmos,KV,SignalR,Salesforce data;
+