Add qodana CI checks

[qodana-cloud]

Adds qodana.yaml and GitHub workflow file that runs Qodana static analysis on each pull request.

[github-actions]

Qodana Community for Python

131 new problems were found

Inspection name	Severity	Problems
Unbound local variables	🔶 Warning	22
Incorrect type	🔶 Warning	14
Unnecessary backslash	🔶 Warning	4
Redeclared names without usages	🔶 Warning	1
Statement has no effect	🔶 Warning	1
Unreachable code	🔶 Warning	1
PEP 8 naming convention violation	◽️ Notice	32
Shadowing names from outer scopes	◽️ Notice	16
Accessing a protected member of a class or a module	◽️ Notice	13
Unused local symbols	◽️ Notice	8
Incorrect docstring	◽️ Notice	4
Redundant parentheses	◽️ Notice	4
An instance attribute is defined outside init``	◽️ Notice	3
Unclear exception clauses	◽️ Notice	2
Method is not declared static	◽️ Notice	2
Single quoted docstring	◽️ Notice	2
Suspicious relative imports	◽️ Notice	1
Redundant boolean variable check	◽️ Notice	1

☁️ View the detailed Qodana report

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