Initial commit - SoundWave v1.0

- Full PWA support with offline capabilities
- Comprehensive search across songs, playlists, and channels
- Offline playlist manager with download tracking
- Pre-built frontend for zero-build deployment
- Docker-based deployment with docker compose
- Material-UI dark theme interface
- YouTube audio download and management
- Multi-user authentication support

frontend/dist/avatars/preset_1.svg

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+<svg width="200" height="200" viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg">
+  <!-- Background circle -->
+  <circle cx="100" cy="100" r="100" fill="#6366F1"/>
+  
+  <!-- Music note -->
+  <g fill="white">
+    <circle cx="90" cy="140" r="15"/>
+    <rect x="102" y="90" width="8" height="65" rx="4"/>
+    <path d="M 110 90 Q 130 85 135 75 Q 138 68 135 65 Q 132 62 125 65 L 110 72 Z"/>
+  </g>
+</svg>

frontend/dist/avatars/preset_2.svg

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+<svg width="200" height="200" viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg">
+  <!-- Background circle -->
+  <circle cx="100" cy="100" r="100" fill="#EC4899"/>
+  
+  <!-- Headphones -->
+  <g fill="white" stroke="white" stroke-width="4">
+    <path d="M 60 100 Q 60 50 100 50 Q 140 50 140 100" fill="none"/>
+    <rect x="50" y="95" width="20" height="35" rx="5"/>
+    <rect x="130" y="95" width="20" height="35" rx="5"/>
+  </g>
+</svg>

frontend/dist/avatars/preset_3.svg

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+<svg width="200" height="200" viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg">
+  <!-- Background circle -->
+  <circle cx="100" cy="100" r="100" fill="#10B981"/>
+  
+  <!-- Microphone -->
+  <g fill="white">
+    <rect x="85" y="60" width="30" height="50" rx="15"/>
+    <path d="M 70 100 Q 70 130 100 130 Q 130 130 130 100" fill="none" stroke="white" stroke-width="6"/>
+    <rect x="95" y="130" width="10" height="30"/>
+    <rect x="75" y="155" width="50" height="8" rx="4"/>
+  </g>
+</svg>

frontend/dist/avatars/preset_4.svg

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+<svg width="200" height="200" viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg">
+  <!-- Background circle -->
+  <circle cx="100" cy="100" r="100" fill="#F59E0B"/>
+  
+  <!-- Vinyl record -->
+  <g>
+    <circle cx="100" cy="100" r="60" fill="white"/>
+    <circle cx="100" cy="100" r="50" fill="#1F2937"/>
+    <circle cx="100" cy="100" r="15" fill="white"/>
+    <circle cx="100" cy="100" r="8" fill="#1F2937"/>
+  </g>
+</svg>

frontend/dist/avatars/preset_5.svg

@@ -0,0 +1,15 @@
+<svg width="200" height="200" viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg">
+  <!-- Background circle -->
+  <circle cx="100" cy="100" r="100" fill="#8B5CF6"/>
+  
+  <!-- Waveform -->
+  <g fill="white">
+    <rect x="50" y="90" width="8" height="20" rx="4"/>
+    <rect x="65" y="70" width="8" height="60" rx="4"/>
+    <rect x="80" y="50" width="8" height="100" rx="4"/>
+    <rect x="95" y="80" width="8" height="40" rx="4"/>
+    <rect x="110" y="60" width="8" height="80" rx="4"/>
+    <rect x="125" y="75" width="8" height="50" rx="4"/>
+    <rect x="140" y="85" width="8" height="30" rx="4"/>
+  </g>
+</svg>