[Hacker Rank]: Staircase doc moved as Markdown

Author: sir-gon

src/hackerrank/warmup/staircase.md

@@ -0,0 +1,67 @@
+# [Staircase](https://www.hackerrank.com/challenges/staircase)
+
+Difficulty: #easy
+Category: #warmup
+
+Staircase detail
+This is a staircase of size $ n = 4 $:
+
+```text
+   #
+  ##
+ ###
+####
+```
+
+Its base and height are both equal to n. It is drawn using # symbols
+and spaces. The last line is not preceded by any spaces.
+
+Write a program that prints a staircase of size n.
+
+## Function Description
+
+Complete the staircase function in the editor below.
+
+staircase has the following parameter(s):
+
+* int n: an integer
+
+## Print
+
+Print a staircase as described above.
+
+## Input Format
+
+A single integer, , denoting the size of the staircase.
+
+Constraints
+
+$ 0 < n \leq 100 $
+
+## Output Format
+
+Print a staircase of size n using # symbols and spaces.
+
+Note: The last line must have  spaces in it.
+
+## Sample Input
+
+```text
+6
+```
+
+## Sample Output
+
+```text
+     #
+    ##
+   ###
+  ####
+ #####
+######
+```
+
+## Explanation
+
+The staircase is right-aligned, composed of # symbols and spaces,
+and has a height and width of $ n = 6 $.

src/hackerrank/warmup/staircase.ts

@@ -1,69 +1,3 @@
-/**
- * Staircase
- *
- * https://www.hackerrank.com/challenges/staircase
- *
- * Difficulty: #easy
- * Category: #warmup
- *
- * Staircase detail
- * This is a staircase of size n = 4:
- * ```
- *    #
- *   ##
- *  ###
- * ####
- * ```
- *
- * Its base and height are both equal to n. It is drawn using # symbols
- * and spaces. The last line is not preceded by any spaces.
- *
- * Write a program that prints a staircase of size n.
- *
- * # Function Description
- *
- * Complete the staircase function in the editor below.
- *
- * staircase has the following parameter(s):
- *
- * * int n: an integer
- *
- * # Print
- * Print a staircase as described above.
- *
- * # Input Format
- * A single integer, , denoting the size of the staircase.
- *
- * Constraints
- *
- * 0 < n <= 100
- *
- * # Output Format
- *
- * Print a staircase of size n using # symbols and spaces.
- *
- * Note: The last line must have  spaces in it.
- *
- * # Sample Input
- * ```
- * 6
- * ```
- *
- * # Sample Output
- * ```
- *      #
- *     ##
- *    ###
- *   ####
- *  #####
- * ######
- * ```
- *
- * # Explanation
- * The staircase is right-aligned, composed of # symbols and spaces,
- * and has a height and width of n = 6.
- */
-
 export function staircase(n: number): string {
   const result: string[] = [];