Add Search link to docs sidebar nav

The mobile sidebar nav on docs/blog pages was missing the Search link
that the header nav has, leaving search unreachable from the menu on
those pages. Add it via a new SEARCH_BASE_URL constant alongside the
existing DOCS_BASE_URL and BLOG_BASE_URL.

Author: BleedingXiko

docs/app/site.py

@@ -1,6 +1,6 @@
 from sprag import ui
 
-from .urls import BLOG_BASE_URL, DOCS_BASE_URL
+from .urls import BLOG_BASE_URL, DOCS_BASE_URL, SEARCH_BASE_URL
 
 
 def card(title, href, description, meta=None):
@@ -28,6 +28,7 @@ def docs_sidebar(sections, current_path, id_=None):
     nav_links = ui.div(
         ui.a("Docs", href=DOCS_BASE_URL, class_="sidebar-nav-link"),
         ui.a("Blog", href=BLOG_BASE_URL, class_="sidebar-nav-link"),
+        ui.a("Search", href=SEARCH_BASE_URL, class_="sidebar-nav-link"),
         ui.a("GitHub", href="https://github.com/BleedingXiko/SPRAG",
              target="_blank", class_="sidebar-nav-link"),
         class_="sidebar-nav",

docs/app/urls.py

@@ -3,3 +3,4 @@
 
 DOCS_BASE_URL = join_url("/", "docs")
 BLOG_BASE_URL = join_url("/", "blog")
+SEARCH_BASE_URL = join_url("/", "search")