added testrails as an optional argument, cleaned the directories, added functionality of multiclient

Signed-off-by: shivamcandela <shivam.thakur@candelatech.com>

libs/testrails/reporting.py

@@ -0,0 +1,7 @@
+class Reporting:
+
+    def __init__(self):
+        pass
+
+    def update_testrail(self, case_id=None, run_id=None, status_id=1, msg=None):
+        pass