[Feature] Add per-package pathway prediction (#195)

## Major Changes

- Introduces a new view for per-package predictions

Co-authored-by: jebus <lorsbach@envipath.com>
Reviewed-on: enviPath/enviPy#195
Co-authored-by: Tobias O <tobias.olenyi@envipath.com>
Co-committed-by: Tobias O <tobias.olenyi@envipath.com>

templates/actions/collections/pathway.html

@@ -1,6 +1,9 @@
 {% if meta.can_edit %}
-    <li>
-        <a href="{{ meta.server_url }}/predict">
-            <span class="glyphicon glyphicon-plus"></span> New Pathway</a>
-    </li>
+  <li>
+    <a
+      href="{% if meta.current_package %}{{ meta.current_package.url }}/predict{% else %}{{ meta.server_url }}/predict{% endif %}"
+    >
+      <span class="glyphicon glyphicon-plus"></span> New Pathway</a
+    >
+  </li>
 {% endif %}

templates/predict_pathway.html

@@ -2,7 +2,13 @@
 {% load static %}
 {% block content %}
   <div class="mx-auto w-full p-8">
-    <h1 class="h1 mb-4 text-3xl font-bold">Predict a Pathway</h1>
+    <h1 class="h1 mb-4 text-3xl font-bold">
+      Predict a Pathway
+
+      <span class="text-base-content/50 text-xs"
+        >in <strong>{{ meta.current_package.name|safe }}</strong>
+      </span>
+    </h1>
 
     <form
       id="predict_form"