rebrand: rename project from Dispensa Manager to EverShelf

- Update app name across all files (manifest, index.html, README, docs)
- Update contact email to evershelfproject@gmail.com
- Rename Docker service/container/volume to evershelf
- Rename localStorage keys: dispensa_* → evershelf_*
- Rename SQLite DB reference: dispensa.db → evershelf.db
- Update SSH remote to dadaloop82/EverShelf
- Update Apache conf file name to evershelf.conf
- Update CI workflow Docker image/container names
- Update cron job example path
- Add data/dispensa.db to .gitignore to prevent accidental commit

index.html

@@ -8,7 +8,7 @@
     <meta name="theme-color" content="#2d5016">
     <meta name="author" content="Stimpfl Daniel">
     <meta name="description" content="Self-hosted pantry manager with barcode scanning, AI identification, and shopping list integration.">
-    <title>Dispensa Manager</title>
+    <title>EverShelf</title>
     <link rel="manifest" href="manifest.json">
     <link rel="icon" type="image/svg+xml" href="data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'><text y='.9em' font-size='90'>🏠</text></svg>">
     <link rel="stylesheet" href="assets/css/style.css?v=20260329a">
@@ -846,13 +846,13 @@
                     <h4>🔒 Certificato HTTPS</h4>
                     <p class="settings-hint">Se il browser mostra l'errore "La connessione non è privata" (ERR_CERT_AUTHORITY_INVALID), devi installare il certificato CA nel dispositivo.</p>
                     <div class="form-group">
-                        <a href="ca.crt" download="Dispensa_CA.crt" class="btn btn-large btn-accent full-width" style="text-align:center;text-decoration:none;display:block">📥 Scarica Certificato CA</a>
+                        <a href="ca.crt" download="EverShelf_CA.crt" class="btn btn-large btn-accent full-width" style="text-align:center;text-decoration:none;display:block">📥 Scarica Certificato CA</a>
                     </div>
                     <div class="settings-hint" style="margin-top:12px;line-height:1.6">
                         <strong>Istruzioni per Chrome (Android):</strong><br>
                         1. Scarica il certificato qui sopra<br>
                         2. Vai in <em>Impostazioni → Sicurezza e privacy → Altre impostazioni di sicurezza → Installa da archivio dispositivo</em><br>
-                        3. Seleziona il file <em>Dispensa_CA.crt</em> scaricato<br>
+                        3. Seleziona il file <em>EverShelf_CA.crt</em> scaricato<br>
                         4. Scegli "CA" e conferma<br>
                         5. Riavvia Chrome<br><br>
                         <strong>Istruzioni per Chrome (PC):</strong><br>
@@ -1109,7 +1109,7 @@
 <div class="modal-overlay" id="setup-wizard" style="display:none">
     <div class="modal-content setup-wizard-content" onclick="event.stopPropagation()">
         <div class="setup-header">
-            <h2>🏠 Dispensa Manager</h2>
+            <h2>🏠 EverShelf</h2>
             <div class="setup-progress" id="setup-progress"></div>
         </div>
         <div class="setup-body" id="setup-body"></div>