new redirect: /ssh-key-glob/

Add a redirect for pmb MR 2251. If we add more of these in the future,
it would make sense to make this more generic just like how it works
for the wiki pages.

app.py

@@ -168,6 +168,12 @@ def blog_post_redirect_download():
         "redirect.html",
         url="/install/")
 
+@app.route('/ssh-key-glob/')
+def blog_post_redirect_ssh_key_glob():
+    return template.render_template(
+        "redirect.html",
+        url="https://docs.postmarketos.org/pmbootstrap/ssh-keys.html")
+
 @app.route('/<slug>/')
 def static_page_or_wiki_redirect(slug):
     """ WARNING: This must be the last route! """

freeze.py

@@ -45,6 +45,7 @@ def static_page_or_wiki_redirect():
 def other_redirect():
     yield '/donate/'
     yield '/download/'
+    yield '/ssh-key-glob/'
 
 
 def check_conflicts():