feat: add ts solution to lc problem: No.2103 (doocs#1916)

Author: thinkasany

solution/2100-2199/2103.Rings and Rods/README.md

@@ -181,6 +181,16 @@ function countPoints(rings: string): number {
 }
 ```
 
+```ts
+function countPoints(rings: string): number {
+    let c = 0;
+    for (let i = 0; i <= 9; i++) {
+        if (rings.includes('B' + i) && rings.includes('R' + i) && rings.includes('G' + i)) c++;
+    }
+    return c;
+}
+```
+
 ### **Rust**
 
 ```rust

solution/2100-2199/2103.Rings and Rods/README_EN.md

@@ -171,6 +171,16 @@ function countPoints(rings: string): number {
 }
 ```
 
+```ts
+function countPoints(rings: string): number {
+    let c = 0;
+    for (let i = 0; i <= 9; i++) {
+        if (rings.includes('B' + i) && rings.includes('R' + i) && rings.includes('G' + i)) c++;
+    }
+    return c;
+}
+```
+
 ### **Rust**
 
 ```rust