feat(tests): adding tests for the rosetta code solutions and the examples ; removing duplicated examples and unmaintained ones

Author: SuperFola

examples/99bottles.ark

@@ -0,0 +1,5 @@
+# ArkScript examples
+
+The examples in this folder are tested by [the unittests](../tests/unittests/ExamplesSuite.cpp).
+
+You can find more examples in the tests resources, where all the [Rosetta Code](https://rosettacode.org/wiki/Category:ArkScript) ArkScript solutions are located: [resources/RosettaSuite](../tests/unittests/resources/RosettaSuite).

examples/README.md

@@ -2,7 +2,7 @@
 # very often, and this is a convention,
 # if an imported file starts with a capital letter,
 # it shall be a file in the standard library.
-(import std.Exceptions)
+(import std.Exceptions :throw :return :try)
 
 # the function which should do a "safe number inversion"
 (let invert (fun (x) {