Add 404 page (#1703)

* Add 404 page

Signed-off-by: Uilian Ries <[email protected]>

* Update 404 page

Signed-off-by: Uilian Ries <[email protected]>

Author: uilianries

404.rst

@@ -0,0 +1,14 @@
+:orphan:
+
+Page Not Found
+==============
+
+Unfortunately, the page you are looking for does not exist or was removed.
+
+You can look into our reference tree, or use the search bar for a desired topic.
+
+If you think this is an error and the page should be there, please open an `issue <https://github.com/conan-io/docs/issues>`_ .
+
+.. image:: images/frogarian.png
+   :width: 240 px
+   :align: center

conf.py

@@ -36,6 +36,7 @@
     'sphinx.ext.todo',
     'conan',
     'sphinxcontrib.spelling',
+    'notfound.extension',
 ]
 
 # The short X.Y version.
@@ -392,6 +393,9 @@
 linkcheck_timeout = 90
 linkcheck_retries = 2
 
+# Not Found
+notfound_pagename = 'Page Not Found'
+
 
 # copy legacy redirects
 def copy_legacy_redirects(app, docname): # Sphinx expects two arguments
@@ -449,7 +453,7 @@ def copy_legacy_redirects(app, docname): # Sphinx expects two arguments
 </head>
 </html>
 """
- 
+
     if app.builder.name == 'html':
         for html_src_path, dst_path in redirect_files.items():
             target_path = app.outdir + '/' + html_src_path

images/frogarian.png

@@ -1,5 +1,6 @@
 sphinx==1.7.9
 sphinxcontrib-spelling
+sphinx-notfound-page
 elasticsearch>=6.0.0,<7.0.0
 boto3
 requests