add 926 ts solution

Author: JeremyXXXuuu

Problems/25-Flip-String-to-Monotone-Increasing/926.ts

@@ -0,0 +1,13 @@
+function minFlipsMonoIncr(s: string): number {
+  let countOne: number = 0;
+  let flip: number = 0;
+  for (let i of s) {
+    if (i === "1") {
+      countOne++;
+    } else {
+      flip++;
+      flip = Math.min(countOne, flip);
+    }
+  }
+  return flip;
+}