Fix build errors

Fixes errors related to missing module declarations for `devitools-logo.png` in `Footer.tsx` and `Header.tsx`, and an unknown compiler option in `tsconfig.app.json`.

Author: lovable-dev[bot]

public/devitools-logo.png

@@ -1,6 +1,6 @@
 import { Code, GitPullRequestCreateArrow, Heart, Mail } from "lucide-react";
 import { Link } from "react-router-dom";
-import deviLogo from "@/assets/devitools-logo.png";
+
 import { Soon } from "@/components/Soon.tsx";
 
 const Footer = () => {
@@ -52,7 +52,7 @@ const Footer = () => {
             <div className="flex items-center space-x-2 mb-4">
               <Link to="/" className="hover:opacity-80 transition-opacity">
                 <img
-                  src={deviLogo}
+                  src="/devitools-logo.png"
                   alt="Devitools Logo"
                   className="h-10 object-contain logo-adaptive"
                 />

src/assets/devitools-logo.png

@@ -2,7 +2,7 @@ import { Button } from "@/components/ui/button";
 import { Github, Moon, Play, Sun } from "lucide-react";
 import { useTheme } from "next-themes";
 import { Link, useNavigate, useLocation } from "react-router-dom";
-import deviLogo from "@/assets/devitools-logo.png";
+
 
 const Header = () => {
   const { theme, setTheme } = useTheme();
@@ -27,7 +27,7 @@ const Header = () => {
           <div className="flex items-center">
             <Link to="/" className="hover:opacity-80 transition-opacity">
               <img
-                src={deviLogo}
+                src="/devitools-logo.png"
                 alt="Devitools Logo"
                 className="h-11 object-contain logo-adaptive"
               />

src/components/Footer.tsx

@@ -1 +1 @@
-// / <reference types="vite/client" />
+/// <reference types="vite/client" />