Add Gitea and Mail modules with configuration and resources

- Created Gitea module with outputs, provider, and variables for deployment.
- Implemented Mail module including configuration for Dovecot and Postfix, along with necessary resources such as secrets, config maps, and deployments.
- Added Python script for bcrypt password hashing and integrated it into the Mail module.
- Defined persistent volumes and claims for Seafile module, along with Nginx configuration for serving content.
- Established necessary variables for all modules to ensure flexibility and configurability.

terraform/modules/mail/lib/bcrypt_hash.py

@@ -0,0 +1,27 @@
+import sys
+import json
+import bcrypt
+import binascii
+
+# Read input JSON from stdin
+input_data = json.load(sys.stdin)
+password = input_data.get("password")
+cost = int(input_data.get("cost", "10")) # Default cost 10
+
+if not password:
+    print(json.dumps({"error": "Password is required"}), file=sys.stderr)
+    sys.exit(1)
+
+# Generate bcrypt hash
+hashed_bytes = bcrypt.hashpw(password.encode('utf-8'), bcrypt.gensalt(rounds=cost))
+hashed_string = hashed_bytes.decode('utf-8')
+
+# Hex encode for Glauth
+hex_encoded_hash = binascii.hexlify(hashed_string.encode('utf-8')).decode('utf-8')
+
+# Output JSON to stdout
+output_data = {
+    "bcrypt_hash": hashed_string,
+    "hex_encoded_bcrypt_hash": hex_encoded_hash
+}
+print(json.dumps(output_data))