Remove deprecated app_new.py and consolidate main application logic into main.py

- Deleted `app_new.py`, which was previously the main entry point for the dashboard application, to streamline the codebase.
- Consolidated the application initialization and callback registration logic into `main.py`, enhancing modularity and maintainability.
- Updated the logging and error handling practices in `main.py` to ensure consistent application behavior and improved debugging capabilities.

These changes simplify the application structure, aligning with project standards for modularity and maintainability.

config/constants/chart_constants.py

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+# Plotly Chart Colors
+CHART_COLORS = {
+    "primary_line": "#2196f3",  # Blue
+    "secondary_line": "#ff9800",  # Orange
+    "increasing_candle": "#26a69a",  # Green
+    "decreasing_candle": "#ef5350",  # Red
+    "neutral_line": "gray"
+}
+
+# UI Text Constants
+UI_TEXT = {
+    "no_data_available": "No data available",
+    "error_prefix": "Error: ",
+    "volume_analysis_title": "{symbol} Volume Analysis ({timeframe})",
+    "price_movement_title": "{symbol} Price Movement Analysis ({timeframe})",
+    "price_action_subplot": "Price Action",
+    "volume_analysis_subplot": "Volume Analysis",
+    "volume_ma_subplot": "Volume vs Moving Average",
+    "cumulative_returns_subplot": "Cumulative Returns",
+    "period_returns_subplot": "Period Returns (%)",
+    "price_range_subplot": "Price Range (%)",
+    "price_yaxis": "Price",
+    "volume_yaxis": "Volume",
+    "cumulative_return_yaxis": "Cumulative Return",
+    "returns_yaxis": "Returns (%)",
+    "range_yaxis": "Range (%)",
+    "price_trace_name": "Price",
+    "volume_trace_name": "Volume",
+    "volume_ma_trace_name": "Volume MA(20)",
+    "cumulative_return_trace_name": "Cumulative Return",
+    "returns_trace_name": "Returns (%)",
+    "range_trace_name": "Range %"
+} 

config/options/time_range_options.json

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+[
+    {"label": "🕐 Last 1 Hour", "value": "1h"},
+    {"label": "🕐 Last 4 Hours", "value": "4h"},
+    {"label": "🕐 Last 6 Hours", "value": "6h"},
+    {"label": "🕐 Last 12 Hours", "value": "12h"},
+    {"label": "📅 Last 1 Day", "value": "1d"},
+    {"label": "📅 Last 3 Days", "value": "3d"},
+    {"label": "📅 Last 7 Days", "value": "7d"},
+    {"label": "📅 Last 30 Days", "value": "30d"},
+    {"label": "📅 Custom Range", "value": "custom"},
+    {"label": "🔴 Real-time", "value": "realtime"}
+] 

config/options/timeframe_options.json

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+[
+    {"label": "1 Second", "value": "1s"},
+    {"label": "5 Seconds", "value": "5s"},
+    {"label": "15 Seconds", "value": "15s"},    
+    {"label": "30 Seconds", "value": "30s"},
+    {"label": "1 Minute", "value": "1m"},
+    {"label": "5 Minutes", "value": "5m"},
+    {"label": "15 Minutes", "value": "15m"},
+    {"label": "1 Hour", "value": "1h"},
+    {"label": "4 Hours", "value": "4h"},
+    {"label": "1 Day", "value": "1d"}
+]