Feature/readme landing page upgrade (#16)

* docs: complete SmartRAG.Demo README synchronization

- Sync README.tr.md with README.md according to @00-ANA-INDEKS.mdc rules
- Add missing Prerequisites section with .NET 9.0 SDK requirements
- Add Configuration Files section with appsettings details
- Update Docker Services table with Package Used column
- Add Build Issues and Configuration Issues troubleshooting
- Add Additional Resources with Package References details
- Add Project Information section with target framework details
- Ensure complete feature parity between English and Turkish READMEs

* fix: correct API hallucinations in README and documentation

- Fix Quick Start API calls to use real SmartRAG APIs
- Replace connector.ConnectAsync() with appsettings.json configuration
- Fix ExecuteQueryAsync() to QueryMultipleDatabasesAsync()
- Replace intelligence variable with searchService/documentService
- Update audio transcription from Google Speech to Whisper.net
- Add comprehensive hallucination prevention rule to Cursor rules
- Ensure all code examples match actual SmartRAG implementation

Files updated:
- README.md, README.tr.md (Quick Start sections)
- docs/en/examples.md (8 Use Cases + Privacy Note)
- docs/en/configuration/database.md (Multi-DB config)
- docs/tr/examples.md (API method names)
- docs/tr/configuration/database.md (Multi-DB config)
- .cursor/rules/PROJE-YONETIMI.mdc (NEW: Documentation Hallucination Prevention)

* docs: update hero slogan to reflect multi-modal capabilities

- Changed from 'Multi-Database RAG' to 'Multi-Modal RAG' in hero slogan
- Updated English README.md to emphasize databases, documents, images & audio
- Updated Turkish README.tr.md with equivalent translation
- Fixed README.tr.md synchronization issues (removed duplicate sections)
- Reordered sections in README.tr.md to match README.md structure
- Ensured both READMEs are now fully synchronized

* docs: optimize README structure and improve multi-modal examples

- Remove redundant Quick Use Cases section to eliminate duplication
- Update Real-World Use Cases with more practical examples from Quick Use Cases
- Enhance multi-modal RAG example to include databases, PDFs, OCR images, and audio transcription
- Improve example query to show comprehensive data analysis across multiple sources
- Synchronize changes between English and Turkish READMEs
- Maintain consistent structure and content across both language versions

* feat: add comprehensive comparison table with 8 unique SmartRAG features

- Add 3 new exclusive features: Fallback Providers, Retry Policies, Batch Embeddings
- Highlight all 8 unique features with asterisk (*) markers
- Add detailed explanations for each exclusive feature
- Synchronize English and Turkish README versions
- Enhance competitive positioning with technical differentiators

Author: byerlikaya

README.md

@@ -736,7 +736,7 @@ public interface IDatabaseSchemaAnalyzer
 
 ### IAudioParserService
 
-**Purpose:** Audio transcription with Google Speech-to-Text
+**Purpose:** Audio transcription with Whisper.net (local processing)
 
 ```csharp
 public interface IAudioParserService

README.tr.md

@@ -13,33 +13,30 @@ SmartRAG can perform intelligent cross-database queries with multi-database supp
 
 ## Multi-Database Connections
 
-```csharp
-builder.Services.AddSmartRag(configuration, options =>
+Configure databases in `appsettings.json`:
+
+```json
 {
-    options.DatabaseConnections = new List<DatabaseConnectionConfig>
-    {
-        new DatabaseConnectionConfig
-        {
-            Name = "Sales Database",
-            Type = DatabaseType.SqlServer,
-            ConnectionString = "Server=localhost;Database=Sales;...",
-            IncludedTables = new List<string> { "Orders", "Customers" },
-            MaxRowsPerTable = 1000,
-            SanitizeSensitiveData = true
-        },
-        new DatabaseConnectionConfig
-        {
-            Name = "Inventory Database",
-            Type = DatabaseType.MySQL,
-            ConnectionString = "Server=localhost;Database=Inventory;...",
-            MaxRowsPerTable = 1000
-        }
-    };
-    
-    options.EnableAutoSchemaAnalysis = true;
-    options.EnablePeriodicSchemaRefresh = true;
-    options.DefaultSchemaRefreshIntervalMinutes = 60;
-});
+  "SmartRAG": {
+    "DatabaseConnections": [
+      {
+        "Name": "Sales Database",
+        "ConnectionString": "Server=localhost;Database=Sales;...",
+        "DatabaseType": "SqlServer",
+        "IncludedTables": ["Orders", "Customers"],
+        "MaxRowsPerQuery": 1000,
+        "Enabled": true
+      },
+      {
+        "Name": "Inventory Database",
+        "ConnectionString": "Server=localhost;Database=Inventory;...",
+        "DatabaseType": "MySQL",
+        "MaxRowsPerQuery": 1000,
+        "Enabled": true
+      }
+    ]
+  }
+}
 ```
 
 ---
@@ -227,11 +224,11 @@ new DatabaseConnectionConfig
 // Handle connection errors
 try
 {
-    var result = await _multiDatabaseQueryCoordinator.QueryAsync(query);
+    var result = await _multiDatabaseQueryCoordinator.QueryMultipleDatabasesAsync(query);
 }
-catch (DatabaseConnectionException ex)
+catch (Exception ex)
 {
-    _logger.LogError(ex, "Database connection error: {DatabaseName}", ex.DatabaseName);
+    _logger.LogError(ex, "Database connection error");
     // Implement fallback strategy
 }
 ```
@@ -247,7 +244,7 @@ catch (DatabaseConnectionException ex)
                 <i class="fas fa-microphone"></i>
             </div>
             <h3>Audio & OCR</h3>
-            <p>Google Speech-to-Text and Tesseract OCR configuration</p>
+            <p>Whisper.net and Tesseract OCR configuration</p>
             <a href="{{ site.baseurl }}/en/configuration/audio-ocr" class="btn btn-outline-primary btn-sm mt-3">
                 Audio & OCR
             </a>

docs/en/api-reference.md

@@ -241,7 +241,7 @@ options.StorageProvider = StorageProvider.Qdrant;
                 <i class="fas fa-microphone"></i>
             </div>
             <h3>Audio & OCR</h3>
-            <p>Google Speech-to-Text and Tesseract OCR</p>
+            <p>Whisper.net and Tesseract OCR</p>
             <a href="{{ site.baseurl }}/en/configuration/audio-ocr" class="btn btn-outline-primary btn-sm mt-3">
                 Audio & OCR
             </a>