adding web flasher tool

flash_tool/ESP32_WebFlasher_Windows.spec

@@ -0,0 +1,55 @@
+# -*- mode: python ; coding: utf-8 -*-
+# PyInstaller spec file for Windows executable (Web-based UI)
+
+block_cipher = None
+
+a = Analysis(
+    ['web_flasher.py'],
+    pathex=[],
+    binaries=[],
+    datas=[
+        ('templates', 'templates'),
+    ],
+    hiddenimports=[
+        'serial.tools.list_ports',
+        'flask',
+        'jinja2',
+        'werkzeug',
+        'flask_socketio',
+        'socketio',
+        'engineio.async_drivers.threading',
+    ],
+    hookspath=[],
+    hooksconfig={},
+    runtime_hooks=[],
+    excludes=[],
+    win_no_prefer_redirects=False,
+    win_private_assemblies=False,
+    cipher=block_cipher,
+    noarchive=False,
+)
+
+pyz = PYZ(a.pure, a.zipped_data, cipher=block_cipher)
+
+exe = EXE(
+    pyz,
+    a.scripts,
+    a.binaries,
+    a.zipfiles,
+    a.datas,
+    [],
+    name='ESP32_Flasher',
+    debug=False,
+    bootloader_ignore_signals=False,
+    strip=False,
+    upx=True,
+    upx_exclude=[],
+    runtime_tmpdir=None,
+    console=False,  # No console window
+    disable_windowed_traceback=False,
+    argv_emulation=False,
+    target_arch=None,
+    codesign_identity=None,
+    entitlements_file=None,
+    icon=None,  # Add path to .ico file if you have one
+)