[Feature] Update ToS to be more legally safe and sensible (#301)

- Improved ToS content
- Add ToS pointer and academic use note at signup
- Remove legal collection page (unnecessary)

Reviewed-on: enviPath/enviPy#301
Co-authored-by: Tobias O <tobias.olenyi@envipath.com>
Co-committed-by: Tobias O <tobias.olenyi@envipath.com>

templates/static/login.html

@@ -190,6 +190,22 @@
 
       <input type="hidden" name="next" value="{{ next }}" />
 
+      <!-- ToS and Academic Use Notice -->
+      <div class="text-xs text-base-content/70 mt-2">
+        <p>
+          By clicking Sign Up, you agree to our
+          <a
+            href="{% url 'terms_of_use' %}"
+            target="_blank"
+            class="link link-primary"
+            >Terms of Use</a
+          >.
+        </p>
+        <p class="mt-1 font-semibold">
+          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>