Add development connection settings

src/TaxBaik.Web/appsettings.Development.json

@@ -0,0 +1,8 @@
+{
+  "ConnectionStrings": {
+    "Default": "Host=localhost;Database=taxbaikdb;Username=taxbaik;Password=taxbaik123"
+  },
+  "ApiClient": {
+    "BaseUrl": "http://localhost:5001/taxbaik/api/"
+  }
+}