add new error codes

Author: abhinav-codealchemist

ErrorCode.go

@@ -9,8 +9,15 @@ func (e ErrorCode) ToString() string {
 }
 
 const (
-	REQUEST_NOT_VALID ErrorCode = "REQUEST_NOT_VALID"
-	SQL_INSERT_ERROR  ErrorCode = "SQL_INSERT_ERROR"
-	SQL_UPDATE_ERROR  ErrorCode = "SQL_UPDATE_ERROR"
-	SQL_FETCH_ERROR   ErrorCode = "SQL_FETCH_ERROR"
+	REQUEST_NOT_VALID          ErrorCode = "REQUEST_NOT_VALID"
+	SQL_INSERT_ERROR           ErrorCode = "SQL_INSERT_ERROR"
+	SQL_UPDATE_ERROR           ErrorCode = "SQL_UPDATE_ERROR"
+	SQL_FETCH_ERROR            ErrorCode = "SQL_FETCH_ERROR"
+	API_URL_PARSING_ERROR      ErrorCode = "API_URL_PARSING_ERROR"
+	API_REQUEST_CREATION_ERROR ErrorCode = "API_REQUEST_CREATION_ERROR"
+	API_REQUEST_ERROR          ErrorCode = "API_REQUEST_ERROR"
+	API_REQUEST_STATUS_ERROR   ErrorCode = "API_REQUEST_STATUS_ERROR"
+	JSON_SERIALIZATION_ERROR   ErrorCode = "JSON_SERIALIZATION_ERROR"
+	JSON_DESERIALIZATION_ERROR ErrorCode = "JSON_DESERIALIZATION_ERROR"
+	FORM_SERIALIZATION_ERROR   ErrorCode = "FORM_SERIALIZATION_ERROR"
 )