style: format code and docs with prettier

Author: pranjal030404

solution/0000-0099/0003.Longest Substring Without Repeating Characters/README.md

@@ -302,7 +302,7 @@ class Solution {
 
 #### C
 
-``` c
+```c
 int lengthOfLongestSubstring(char *s) {
   int freq[256] = {0};
   int l = 0, r = 0;

solution/0000-0099/0003.Longest Substring Without Repeating Characters/README_EN.md

@@ -300,7 +300,7 @@ class Solution {
 
 #### C
 
-```c 
+```c
 
 int lengthOfLongestSubstring(char *s) {
   int freq[256] = {0};

solution/0000-0099/0004.Median of Two Sorted Arrays/README_EN.md

@@ -348,7 +348,7 @@ proc medianOfTwoSortedArrays(nums1: seq[int], nums2: seq[int]): float =
 
 #### C
 
-``` c
+```c
 int findKth(int *nums1, int m, int i, int *nums2, int n, int j, int k) {
   if (i >= m)
     return nums2[j + k - 1];