feat: add custom branding, air-gapped deployment script, and updated self-hosting docs

src/partials/navbar-simple.html

@@ -6,12 +6,15 @@
     <div class="flex justify-start items-center h-16">
       <div class="flex-shrink-0 flex items-center cursor-pointer">
         <img
-          src="{{baseUrl}}images/favicon-no-bg.svg"
-          alt="Bento PDF Logo"
+          id="nav-logo"
+          src="{{baseUrl}}{{#if brandLogo}}{{brandLogo}}{{else}}images/favicon-no-bg.svg{{/if}}"
+          alt="{{#if brandName}}{{brandName}}{{else}}Bento PDF{{/if}} Logo"
           class="h-8 w-8"
         />
-        <span class="text-white font-bold text-xl ml-2">
-          <a href="{{baseUrl}}">BentoPDF</a>
+        <span id="nav-brand" class="text-white font-bold text-xl ml-2">
+          <a href="{{baseUrl}}"
+            >{{#if brandName}}{{brandName}}{{else}}BentoPDF{{/if}}</a
+          >
         </span>
       </div>
     </div>