added notes to settings.yaml

moved core app config (name, version) out of settings and into app/app_settings.py
added ability to brand SneakyScope to any name
added caching of cert information from crt.sh (cache enable and lenght is configurable in settings.yaml)

streamlined header/footer loading to be more correct

app/templates/index.html

@@ -110,7 +110,7 @@
     <div class="min-h-screen flex items-center justify-center p-4 text-center">
       <div class="bg-card border border-gray-800 rounded-xl px-6 py-5 shadow">
         <div class="mx-auto mb-3 h-12 w-12 rounded-full border-4 border-white/30 border-t-white animate-spin"></div>
-        <div class="text-base">Analyzing website…</div>
+        <div class="text-base">Analyzing website…<br /> If you are pulling certificates, this may take a long time </div>
       </div>
     </div>
   </div>
@@ -142,11 +142,7 @@ function hideSpinner() {
 }
 
 /**
- * Initialize form submit handling:
- * - shows overlay spinner
- * - disables submit button
- * - shows small spinner inside button
- * - lets the browser continue with POST
+ * Initialize form submit handling.
  */
 (function initAnalyzeForm() {
   const form = document.getElementById('analyze-form');
@@ -155,11 +151,16 @@ function hideSpinner() {
   const submitBtn = form.querySelector('button[type="submit"]');
   const btnSpinner = document.getElementById('btn-spinner');
 
-  // Hide spinner overlay if arriving from bfcache/back
-  window.addEventListener('pageshow', () => {
-    hideSpinner();
-    if (submitBtn) submitBtn.disabled = false;
-    if (btnSpinner) btnSpinner.classList.add('hidden');
+  // Only hide the overlay when returning via BFCache (back/forward)
+  window.addEventListener('pageshow', (e) => {
+    const nav = performance.getEntriesByType('navigation')[0];
+    const isBFCache = e.persisted || nav?.type === 'back_forward';
+
+    if (isBFCache) {
+      hideSpinner();
+      if (submitBtn) submitBtn.disabled = false;
+      if (btnSpinner) btnSpinner.classList.add('hidden');
+    }
   });
 
   form.addEventListener('submit', (e) => {