Fix linting and build errors.

src/app/maze.tsx

@@ -1,14 +1,21 @@
 import Cell from "./cell.tsx";
 import styles from "./maze.module.css";
+import {State} from "@/app/state/state.ts";
+import {ActionDispatch, JSX} from "react";
+import {Action} from "@/app/state/action.ts";
 
-export default function Maze({state, dispatch}) {
+export default function Maze({state, dispatch}:
+                             {
+                                 state: State,
+                                 dispatch: ActionDispatch<[Action]>
+                             }) {
     if (!state.maze) {
         return <div>No valid maze.</div>
     }
 
-    let maze: JSX.Element[] = [];
+    const maze: JSX.Element[] = [];
     for (let y = 0; y < state.maze.height; y++) {
-        let row: JSX.Element[] = [];
+        const row: JSX.Element[] = [];
         for (let x = 0; x < state.maze.width; x++) {
             row.push(<Cell key={`${x}x${y}`} x={x} y={y} state={state} dispatch={dispatch}/>)
         }