feat: add solution to lc problem: No.1451

Author: thinkasany

solution/1400-1499/1451.Rearrange Words in a Sentence/README.md

@@ -162,6 +162,18 @@ class Solution {
 }
 ```
 
+### **TypeScript**
+
+```ts
+function arrangeWords(text: string): string {
+	let words: string[] = text.split(" ");
+	words[0] = words[0].toLowerCase();
+	words.sort((a, b) => a.length - b.length);
+	words[0] = words[0].charAt(0).toUpperCase() + words[0].slice(1);
+	return words.join(" ");
+}
+```
+
 ### **...**
 
 ```

solution/1400-1499/1451.Rearrange Words in a Sentence/README_EN.md

@@ -147,6 +147,18 @@ class Solution {
 }
 ```
 
+### **TypeScript**
+
+```ts
+function arrangeWords(text: string): string {
+	let words: string[] = text.split(" ");
+	words[0] = words[0].toLowerCase();
+	words.sort((a, b) => a.length - b.length);
+	words[0] = words[0].charAt(0).toUpperCase() + words[0].slice(1);
+	return words.join(" ");
+}
+```
+
 ### **...**
 
 ```

solution/1400-1499/1451.Rearrange Words in a Sentence/Solution.ts

@@ -0,0 +1,7 @@
+function arrangeWords(text: string): string {
+	let words: string[] = text.split(" ");
+	words[0] = words[0].toLowerCase();
+	words.sort((a, b) => a.length - b.length);
+	words[0] = words[0].charAt(0).toUpperCase() + words[0].slice(1);
+	return words.join(" ");
+}