add 1529 ts solution

Author: JeremyXXXuuu

Problems/21-Minimum-Suffix-Flips/1529.ts

@@ -0,0 +1,13 @@
+function minFlips(target: string): number {
+    let init = 0;
+    let flips = 0;
+
+    for(let i = 0; i < target.length; i++) {
+        if(Number(target[i]) !== init){
+            init = Number(target[i]);
+            flips ++;
+        }
+    }
+    return flips
+
+};