feat(oi): add open interest scraper module

add new oi_scraper directory for collecting open interest data
and update the main EA to integrate with the scraper functionality

oi_scraper/run_scraper.ps1

@@ -0,0 +1,77 @@
+# CME OI Scraper - PowerShell Script
+# Copy this file to: run_scraper.ps1
+
+# ==========================================
+# Configuration
+# ==========================================
+$scriptPath = "C:\Users\YourUsername\Gitea\MeanRevisionEA\oi_scraper"
+$logFile = "$scriptPath\scraper.log"
+$csvFile = "$scriptPath\oi_data.csv"
+$mt5Path = "C:\Users\YourUsername\AppData\Roaming\MetaQuotes\Terminal\[Your_Terminal_ID]\MQL5\Files\oi_data.csv"
+
+# ==========================================
+# Helper Functions
+# ==========================================
+function Write-Log {
+    param([string]$message)
+    $timestamp = Get-Date -Format "yyyy-MM-dd HH:mm:ss"
+    $logEntry = "[$timestamp] $message"
+    Write-Output $logEntry | Add-Content $logFile
+    Write-Host $logEntry
+}
+
+# ==========================================
+# Main Script
+# ==========================================
+
+# Navigate to script directory
+cd $scriptPath
+
+Write-Log "=========================================="
+Write-Log "CME OI Scraper - Daily Update"
+Write-Log "=========================================="
+
+try {
+    # Run Python scraper
+    Write-Log "Starting Python scraper..."
+    & python main.py *>> $logFile 2>&1
+    $exitCode = $LASTEXITCODE
+    
+    if ($exitCode -eq 0) {
+        Write-Log "Python scraper completed successfully"
+        
+        # Check if CSV was created
+        if (Test-Path $csvFile)) {
+            $fileInfo = Get-Item $csvFile
+            Write-Log "CSV file found (Last modified: $($fileInfo.LastWriteTime))"
+            
+            # Copy to MT5 directory
+            Write-Log "Copying CSV to MetaTrader 5 Files directory..."
+            
+            try {
+                Copy-Item -Path $csvFile -Destination $mt5Path -Force
+                Write-Log "CSV successfully copied to MT5 directory"
+                
+                # Verify copy
+                if (Test-Path $mt5Path)) {
+                    Write-Log "Verified: MT5 CSV file exists"
+                } else {
+                    Write-Log "ERROR: MT5 CSV file not found after copy"
+                }
+            } catch {
+                Write-Log "ERROR: Failed to copy to MT5 directory - $_"
+            }
+        } else {
+            Write-Log "WARNING: CSV file not found after scraper execution"
+        }
+    } else {
+        Write-Log "ERROR: Python scraper failed with exit code $exitCode"
+    }
+} catch {
+    Write-Log "ERROR: Script failed - $($_.Exception.Message)"
+    exit 1
+}
+
+Write-Log "=========================================="
+Write-Log "Script completed"
+Write-Log "=========================================="