Update DIRECTORY.md (#33)

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DIRECTORY.md

@@ -2,30 +2,30 @@
 
 
 ## Math
-  - [Abs](./math/abs.jule)
-  - [Fact](./math/fact.jule)
-  - [Max](./math/max.jule)
-  - [Median](./math/median.jule)
-  - [Min](./math/min.jule)
-  - [Sum](./math/sum.jule)
+  - [Abs](math/abs.jule)
+  - [Fact](math/fact.jule)
+  - [Max](math/max.jule)
+  - [Median](math/median.jule)
+  - [Min](math/min.jule)
+  - [Sum](math/sum.jule)
 
 ## Search
-  - [Binary Search](./search/binary_search.jule)
-  - [Linear Search](./search/linear_search.jule)
+  - [Binary Search](search/binary_search.jule)
+  - [Linear Search](search/linear_search.jule)
 
 ## Sort
-  - [Bubble Sort](./sort/bubble_sort.jule)
-  - [Exchange Sort](./sort/exchange_sort.jule)
-  - [Insertion Sort](./sort/insertion_sort.jule)
-  - [Quick Sort](./sort/quick_sort.jule)
-  - [Selection Sort](./sort/selection_sort.jule)
-  - [Shell Sort](./sort/shell_sort.jule)
-  - [Simple Sort](./sort/simple_sort.jule)
+  - [Bubble Sort](sort/bubble_sort.jule)
+  - [Exchange Sort](sort/exchange_sort.jule)
+  - [Insertion Sort](sort/insertion_sort.jule)
+  - [Quick Sort](sort/quick_sort.jule)
+  - [Selection Sort](sort/selection_sort.jule)
+  - [Shell Sort](sort/shell_sort.jule)
+  - [Simple Sort](sort/simple_sort.jule)
 
 ## String
-  - [Capitalize](./string/capitalize.jule)
-  - [Is Alpha](./string/is_alpha.jule)
-  - [Is Digit](./string/is_digit.jule)
-  - [Lower Case](./string/lower_case.jule)
-  - [Reverse](./string/reverse.jule)
-  - [Upper Case](./string/upper_case.jule)
+  - [Capitalize](string/capitalize.jule)
+  - [Is Alpha](string/is_alpha.jule)
+  - [Is Digit](string/is_digit.jule)
+  - [Lower Case](string/lower_case.jule)
+  - [Reverse](string/reverse.jule)
+  - [Upper Case](string/upper_case.jule)