Block some other cryptpad links, so that the version number isn't obvious

src/freedombone-app-cryptpad

     echo '    try_files $uri =404;' >> $cryptpad_nginx_site
     echo '  }' >> $cryptpad_nginx_site
     echo '' >> $cryptpad_nginx_site
+    echo '  location ^~ /about.html {' >> $cryptpad_nginx_site
+    echo '    try_files $uri =404;' >> $cryptpad_nginx_site
+    echo '  }' >> $cryptpad_nginx_site
+    echo '' >> $cryptpad_nginx_site
+    echo '  location ^~ /contact.html {' >> $cryptpad_nginx_site
+    echo '    try_files $uri =404;' >> $cryptpad_nginx_site
+    echo '  }' >> $cryptpad_nginx_site
+    echo '' >> $cryptpad_nginx_site
+    echo '  location ^~ /contact.html {' >> $cryptpad_nginx_site
+    echo '    try_files $uri =404;' >> $cryptpad_nginx_site
+    echo '  }' >> $cryptpad_nginx_site
+    echo '' >> $cryptpad_nginx_site
+    echo '  location ^~ /what-is-cryptpad.html {' >> $cryptpad_nginx_site
+    echo '    try_files $uri =404;' >> $cryptpad_nginx_site
+    echo '  }' >> $cryptpad_nginx_site
+    echo '' >> $cryptpad_nginx_site
     echo '  location ~ ^/(register|login|settings|user|pad|drive|poll|slide|code|whiteboard|file|media)$ {' >> $cryptpad_nginx_site
     echo '    rewrite ^(.*)$ $1/ redirect;' >> $cryptpad_nginx_site
     echo '  }' >> $cryptpad_nginx_site