add md articles (#5057)

* add maximum-distance-in-arrays article

* fix article

* fix csharp method signature

* fix wiggle-sort python heap solution

* add confusing-number.md article

* Update explanation of L in complexity analysis

Clarify the definition of L in terms of n.

* Fix logarithm notation in complexity section

Updated logarithm notation in complexity explanation.

* Fix LaTeX formatting for logarithm in documentation

* add perform-string-shifts article

* add one-edit-distance article

* fix one-edit-dsitance article

* add reverse-words-in-a-string-ii.md article

* fix typo maximu-distance-in-arrays.md

* fix typo reverse-words-in-a-string-ii.md

* add shortest-way-to-form-string.md article

* add longest-substring-with-at-most-k-distinct-characters.md article

* add max-consecutive-ones-ii.md article

* add find-k-length-substrings-with-no-repeated-characters.md article

* add find-anagram-mappings.md article

* fix latex styling find-anagram-mappings.md

* add palindrome-permutation.md article

* add sentence-similarity.md article

* add single-row-keyboard.md article

* add group-shifted-strings.md article

* add largest-unique-number.md article

* add counting-elements.md article

* add find-smallest-common-element-in-all-rows.md article

* add valid-word-square.md article

* add lonely-pixel-i.md article

* add sparse-matrix-multiplication.md article

* add candy-crush.md article

* add missing-ranges.md article

* fix c# param type, maximum-distance-in-arrays.md

* add add-bold-tag-in-string.md article

* add remove-interval.md article

* add ternary-expression-parser.md article

* add find-permutation.md article

* add basic-calculator-iii.md article

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Co-authored-by: neetcode-gh <77742485+neetcode-gh@users.noreply.github.com>

Author: ranveersingh2718