[Feature] Add Captchas to avoid spam registrations (#358)

Co-authored-by: Tim Lorsbach <tim@lorsba.ch>
Reviewed-on: enviPath/enviPy#358

templates/static/login.html

@@ -218,6 +218,10 @@
 
       <input type="hidden" name="next" value="{{ next }}" />
 
+      <cap-widget
+        data-cap-api-endpoint="{{ CAP_API_BASE }}/{{ CAP_SITE_KEY }}/"
+      ></cap-widget>
+
       <!-- ToS and Academic Use Notice -->
       <div class="text-xs text-base-content/70 mt-2">
         <p>
@@ -233,7 +237,6 @@
           enviPath is free for academic and non-commercial use only.
         </p>
       </div>
-
       <button type="submit" name="confirmsignup" class="btn btn-success w-full">
         Sign Up
       </button>