Umbenennung Pantry -> Project-Good; README mit echter Clone-URL

- Anzeigename, Paketname, Token-Key, DB-/Volume-Namen auf project_good
- README Clone-Abschnitt mit git.scarriffle.com/Scarriffle/project-good

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

web/src/App.jsx

@@ -24,7 +24,7 @@ function Layout({ children }) {
   return (
     <div className="app">
       <header className="topbar">
-        <div className="brand">🥫 Pantry</div>
+        <div className="brand">🥫 Project-Good</div>
         <nav className="nav">
           <NavLink to="/" end className={link}>Übersicht</NavLink>
           <NavLink to="/checkin" className={link}>Einlagern</NavLink>

web/src/api.js

@@ -3,7 +3,7 @@
 
 const API_BASE = "/api";
 
-const TOKEN_KEY = "pantry_token";
+const TOKEN_KEY = "project_good_token";
 
 export function getToken() {
   return localStorage.getItem(TOKEN_KEY);

web/src/pages/Login.jsx

@@ -27,7 +27,7 @@ export default function Login() {
   return (
     <div className="login-wrap">
       <form className="card login-card" onSubmit={onSubmit}>
-        <div className="brand big">🥫 Pantry</div>
+        <div className="brand big">🥫 Project-Good</div>
         <p className="muted">Lebensmittel-Lagerverwaltung</p>
         {error && <div className="alert error">{error}</div>}
         <label>