fix: repair broken anchor links in DEPLOYMENT.md

- Simplify section headers to standard markdown format
- Remove emojis and special characters that break anchor generation
- Update table of contents links to match simplified headers
- Fix ampersand and special character encoding issues in anchors
- All internal links now work with GitHub's automatic anchor generation

Completes documentation link fixes for CI

docs/DEPLOYMENT.md

@@ -8,16 +8,16 @@ This guide covers everything you need to know to deploy robust, scalable SoundTo
 
 - [Architecture Considerations](#architecture-considerations)
 - [Configuration Management](#configuration-management)
-- [Security & Network](#security--network)
-- [Monitoring & Logging](#monitoring--logging)
+- [Security Network](#security-network)
+- [Monitoring Logging](#monitoring-logging)
 - [Performance Optimization](#performance-optimization)
-- [Error Handling & Recovery](#error-handling--recovery)
+- [Error Handling Recovery](#error-handling-recovery)
 - [Deployment Strategies](#deployment-strategies)
-- [Maintenance & Operations](#maintenance--operations)
+- [Maintenance Operations](#maintenance-operations)
 
 ---
 
-## 🏗️ **Architecture Considerations**
+## Architecture Considerations
 
 ### Single-Device Applications
 
@@ -102,7 +102,7 @@ type ProductionSoundTouchService struct {
 
 ---
 
-## ⚙️ **Configuration Management**
+## Configuration Management
 
 ### Environment-Based Configuration
 
@@ -210,7 +210,7 @@ func LoadConfigFromFile(path string) (*Config, error) {
 
 ---
 
-## 🔒 **Security & Network**
+## Security Network
 
 ### Network Security
 
@@ -312,7 +312,7 @@ func loadSecretsFromK8s() (*SecretsConfig, error) {
 
 ---
 
-## 📊 **Monitoring & Logging**
+## Monitoring Logging
 
 ### Structured Logging
 
@@ -534,7 +534,7 @@ func (hc *HealthChecker) HealthHandler() http.HandlerFunc {
 
 ---
 
-## 🚀 **Performance Optimization**
+## Performance Optimization
 
 ### Connection Pooling
 
@@ -670,7 +670,7 @@ func (cm *CacheManager) GetDeviceInfo(deviceID string, fetcher func() (*models.D
 
 ---
 
-## 🛡️ **Error Handling & Recovery**
+## Error Handling Recovery
 
 ### Circuit Breaker Pattern
 
@@ -780,7 +780,7 @@ func (app *Application) Run(ctx context.Context) error {
 
 ---
 
-## 🚢 **Deployment Strategies**
+## Deployment Strategies
 
 ### Docker Deployment
 
@@ -961,7 +961,7 @@ WantedBy=multi-user.target
 
 ---
 
-## 🔧 **Maintenance & Operations**
+## Maintenance Operations
 
 ### Log Rotation