feat: update style of mail

src/infrastructure/mail/assets.py

@@ -1,11 +1,11 @@
-import base64
 from pathlib import Path
 
 _LOGO_PATH = Path(__file__).resolve().parent / 'templates' / 'static' / 'exa-logo.png'
 
+EXA_LOGO_CID = 'exa-logo'
 
-def get_exa_logo_data_uri() -> str | None:
+
+def get_exa_logo_png() -> bytes | None:
     if not _LOGO_PATH.is_file():
         return None
-    data = base64.b64encode(_LOGO_PATH.read_bytes()).decode('ascii')
-    return f'data:image/png;base64,{data}'
+    return _LOGO_PATH.read_bytes()