New public corpus route

app/corpora/routes.py

@@ -332,3 +332,12 @@ def remove_permission(corpus_id, user_id, permission):
     a.remove_permission(permission)
     db.session.commit()
     return 'ok'
+
+@bp.route('/public/<hashid:corpus_id>')
+def public_corpus(corpus_id):
+    corpus = Corpus.query.get_or_404(corpus_id)
+    return render_template(
+        'corpora/public_corpus.html.j2',
+        corpus=corpus,
+        title=corpus.title
+    )