Sergey-B/project-lvl2-s221

[common]
setting1 = Value 1
setting4 = blah blah

[common.setting3]
key = value

[common.setting5]
key5 = value5

[common.setting6]
key = value
ops = vops

[group1]
foo = bar
baz = bars
nest = str

[group3]
fee = 100500