Add coverage and results statistics report

[Lana243]

After tests execution from CLI user can find coverge and results statistics report in .csv file. The table looks like the following:

Filename	Google Test Execution Time (s)	Total Tests Number	Passed Tests Number	Failed Tests Number	Death Tests Number	Interrupted Tests Number	Total Lines Number	Covered Lines Number	Line Coverage Ratio (%)
src/simple_calc.c	0	2	2	0	0	0	11	9	81.818182
main.c	0.004	16	16	0	0	0	12	12	100.000000
lib/main.c	0.004	16	16	0	0	0	9	9	100.000000
lib/module/libfunc.c	0	1	1	0	0	0	3	3	100.000000
lib/basic_functions.c	0.002	9	9	0	0	0	32	32	100.000000
lib/structures/structs/simple_structs.c	0.013	39	39	0	0	0	122	122	100.000000
Total	0.023	83	83	0	0	0	189	187	98.941799

[ladisgin]

squash commits