Implement an analizing for a whole test plan

test_run field can accept an ID for test plan.
Code will detect automatically which Id was entered: TestRun's or TestPlan's

The list of analized test will be stored in the TestRun model
and will not be proceeded in the case of reruning TestRun

PRODX-35956

Change-Id: I91b59a6a6abc932e2026b05428d408a5dec31134
diff --git a/testrail_bot/requirements.txt b/testrail_bot/requirements.txt
index 5762f72..865ce30 100644
--- a/testrail_bot/requirements.txt
+++ b/testrail_bot/requirements.txt
@@ -7,3 +7,4 @@
 uWSGI==2.0.19.1
 python-jenkins==1.7.0
 matplotlib==3.3.2
+retry==0.9.2