feat: added blueprint for nchl client

nepali_wallets/client/__init__.py

@@ -1,2 +1,3 @@
 from ._khalti import KhaltiClient
 from ._esewa import EsewaClient
+from ._nchl import ConnectIPSClient

nepali_wallets/client/_nchl.py

@@ -0,0 +1,33 @@
+from .base import BasePaymentClient
+
+
+class ConnectIPSClient(BasePaymentClient):
+    username: str
+    password: str
+    success_url: str
+    failure_url: str
+    login_url: str
+
+    def _get_request_headers(self) -> dict:
+        return {}
+
+    def _get_request_body(self) -> dict:
+        return {}
+
+    def create_intent(self, *args, **kwargs):
+        raise NotImplementedError()
+
+    def complete_payment(self, *args, **kwargs):
+        raise NotImplementedError()
+
+    def verify_payment(self, *args, **kwargs) -> dict:
+        raise NotImplementedError()
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        if self.sandbox:
+            self.base_url = 'https://uat.connectips.com:7443'
+            self.login_url = "https://uat.connectips.com:7443/connectipswebgw/loginpage"
+        else:
+            self.base_url = 'https://login.connectips.com'
+            self.login_url = "https://login.connectips.com/connectipswebgw/loginpage"