feat(connector-superoffice): implement OAuth 2.0 flow and S2S architecture

Completed POC for SuperOffice integration with the following key achievements:
- Switched from RSA/SOAP to OAuth 2.0 (Refresh Token Flow) for better compatibility with SOD environment.
- Implemented robust token refreshing and caching mechanism in .
- Solved 'Wrong Subdomain' issue by enforcing  for tenant .
- Created  for REST API interaction (Search, Create, Update UDFs).
- Added helper scripts: , , .
- Documented usage and configuration in .
- Updated  configuration requirements.

[2ff88f42]

connector-superoffice/generate_keys.py

@@ -0,0 +1,34 @@
+from cryptography.hazmat.primitives import serialization
+from cryptography.hazmat.primitives.asymmetric import rsa
+
+# Generate private key
+private_key = rsa.generate_private_key(
+    public_exponent=65537,
+    key_size=2048,
+)
+
+# Serialize private key to PEM
+pem_private = private_key.private_bytes(
+    encoding=serialization.Encoding.PEM,
+    format=serialization.PrivateFormat.PKCS8,
+    encryption_algorithm=serialization.NoEncryption()
+)
+
+# Generate public key
+public_key = private_key.public_key()
+pem_public = public_key.public_bytes(
+    encoding=serialization.Encoding.PEM,
+    format=serialization.PublicFormat.SubjectPublicKeyInfo
+)
+
+# Save to files
+with open("private_key.pem", "wb") as f:
+    f.write(pem_private)
+
+with open("public_key.pem", "wb") as f:
+    f.write(pem_public)
+
+print("Keys generated successfully!")
+print(f"Private Key (save to .env as SO_PRIVATE_KEY):\n{pem_private.decode('utf-8')}")
+print("-" * 20)
+print(f"Public Key (upload to SuperOffice Dev Portal):\n{pem_public.decode('utf-8')}")