Add accuracy disclaimers to the about and landing pages

views/about.pug

@@ -108,6 +108,13 @@ block content
   p
     | If a result looks wrong, tell us — corrections make this better for everyone.
 
+  h3.mt-5#disclaimer Use this information at your own risk
+  .alert.alert-warning(role='alert')
+    p
+      | The information on this site may be #[b out of date, incomplete or simply incorrect]. Apps change with every release, tracker databases lag behind the market, and automated analysis makes mistakes. Nothing here is verified by hand.
+    p.mb-0
+      | Everything is provided “as is”, without any warranty of accuracy, completeness or fitness for a particular purpose. #[b You use this information at your own risk.] Please check an individual result yourself before relying on it for anything that matters, and do not treat a report as a statement of fact about an app or the company behind it.
+
   h3.mt-5#background Where this comes from
   p
     | This project was motivated by #[a(target='_blank' rel='noopener noreferrer' href='https://exodus-privacy.eu.org/') Exodus Privacy], which is a similar project for Android apps. Some of the underlying code as well as the design of this website is based on this project.

views/form.pug

@@ -90,6 +90,11 @@ block content
     if searchResults.some((app) => app.free && !app.inDatabase)
       p.text-muted.small Apps that have not been analysed yet open a confirmation page first.
 
+  if !searchResults
+    .site-disclaimer.text-muted.small.mt-5.pt-4.border-top
+      p.mb-0
+        | #[b Please note:] the information shown here may be out of date, incomplete or incorrect. Reports describe the app version we analysed on the date shown, and automated analysis makes mistakes. Everything is provided without warranty — #[b use this information at your own risk]. Read the #[a(href='/about#disclaimer') full disclaimer].
+
 block app
   if app
     .container