feat: kata/basic-making-six-toast (#803)

* docs: kata description

* feat: kata/basic-making-six-toast

---------

Co-authored-by: ParanoidUser <5120290+ParanoidUser@users.noreply.github.com>

Author: github-actions[bot]

kata/8-kyu/basic-making-six-toast/README.md

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+# [BASIC: Making Six Toast.](https://www.codewars.com/kata/basic-making-six-toast "https://www.codewars.com/kata/5834fec22fb0ba7d080000e8")
+
+## Problem:
+
+You forgot to count the number of toast you put into there, you don't know if you put exactly six pieces of toast into the toasters.
+
+Define a function that counts how many more (or less) pieces of toast you need in the toasters. Even though you need more or less, the
+number will still be positive, not negative.
+
+## Examples:
+
+You must return the number of toast you need to put in (or to take out). In case of `5` you can still put `1` toast in:
+
+```
+5 --> 1
+```
+
+And in case of `12` you need `6` toasts less (but not `-6`):
+
+```
+12 --> 6
+```

kata/8-kyu/basic-making-six-toast/main/Kata.java

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+interface Kata{
+  static int sixToast(int num){
+    return Math.abs(6 - num);
+  }
+}

kata/8-kyu/basic-making-six-toast/test/SixToastTest.java

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+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.CsvSource;
+
+class SixToastTest {
+  @ParameterizedTest
+  @CsvSource(textBlock = """
+      15, 9
+      6 ,0
+      3, 3
+      """)
+  void sample(int num, int expected) {
+    assertEquals(expected, Kata.sixToast(num));
+  }
+}

kata/8-kyu/index.md

@@ -13,6 +13,7 @@
 - [Area of a Square](area-of-a-square "5748838ce2fab90b86001b1a")
 - [Area or Perimeter](area-or-perimeter "5ab6538b379d20ad880000ab")
 - [Array plus array](array-plus-array "5a2be17aee1aaefe2a000151")
+- [BASIC: Making Six Toast.](basic-making-six-toast "5834fec22fb0ba7d080000e8")
 - [Basic Mathematical Operations](basic-mathematical-operations "57356c55867b9b7a60000bd7")
 - [Basic subclasses - Adam and Eve](basic-subclasses-adam-and-eve "547274e24481cfc469000416")
 - [Basic variable assignment](basic-variable-assignment "50ee6b0bdeab583673000025")