chore: use plain hyphen in tab title and PWA manifest name (#55) (#58)

Co-authored-by: gnacho <hnacho@proton.me>

Author: gnacho

app/index.html

@@ -3,7 +3,7 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0, viewport-fit=cover" />
-    <title>Helios · Monitor Solar</title>
+    <title>Helios - Monitor Solar</title>
     <meta name="description" content="Monitor solar doméstico unificado: inversores Solis y Fox, batería Soluna y red." />
     <link rel="icon" href="/favicon-light.ico" sizes="any" media="(prefers-color-scheme: light)" />
     <link rel="icon" href="/favicon-dark.ico" sizes="any" media="(prefers-color-scheme: dark)" />

app/public/manifest.webmanifest

@@ -1,5 +1,5 @@
 {
-  "name": "Helios · Monitor Solar",
+  "name": "Helios - Monitor Solar",
   "short_name": "Helios",
   "description": "Monitor solar doméstico unificado: inversores Solis y Fox, batería Soluna y red. Datos locales vía Home Assistant.",
   "lang": "es-ES",