feat: add ts solution to lc problem: No.1507

Author: thinkasany

solution/1500-1599/1507.Reformat Date/README.md

@@ -143,6 +143,20 @@ class Solution {
 }
 ```
 
+### **TypeScript**
+
+```ts
+function reformatDate(date: string): string {
+    const s = date.split(' ');
+    const months = ' JanFebMarAprMayJunJulAugSepOctNovDec';
+    const day = parseInt(s[0].substring(0, s[0].length - 2));
+    const month = Math.floor(months.indexOf(s[1]) / 3) + 1;
+    return `${s[2]}-${month.toString().padStart(2, '0')}-${day
+        .toString()
+        .padStart(2, '0')}`;
+}
+```
+
 ### **...**
 
 ```

solution/1500-1599/1507.Reformat Date/README_EN.md

@@ -130,6 +130,20 @@ class Solution {
 }
 ```
 
+### **TypeScript**
+
+```ts
+function reformatDate(date: string): string {
+    const s = date.split(' ');
+    const months = ' JanFebMarAprMayJunJulAugSepOctNovDec';
+    const day = parseInt(s[0].substring(0, s[0].length - 2));
+    const month = Math.floor(months.indexOf(s[1]) / 3) + 1;
+    return `${s[2]}-${month.toString().padStart(2, '0')}-${day
+        .toString()
+        .padStart(2, '0')}`;
+}
+```
+
 ### **...**
 
 ```

solution/1500-1599/1507.Reformat Date/Solution.ts

@@ -0,0 +1,9 @@
+function reformatDate(date: string): string {
+    const s = date.split(' ');
+    const months = ' JanFebMarAprMayJunJulAugSepOctNovDec';
+    const day = parseInt(s[0].substring(0, s[0].length - 2));
+    const month = Math.floor(months.indexOf(s[1]) / 3) + 1;
+    return `${s[2]}-${month.toString().padStart(2, '0')}-${day
+        .toString()
+        .padStart(2, '0')}`;
+}