Add codebase audit workflow for analyzing existing code #141

Job	Run time
Analyze (rust)	7m 37s
Analyze (csharp)	4m 49s
Analyze (python)	1m 22s
Analyze (javascript-typescript)	4m 41s
Analyze (go)	4m 43s
Analyze (java-kotlin)	3m 28s
Analyze (c-cpp)	11m 50s
	38m 30s

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