Redirect roadmap.md to new roadmap location

Signed-off-by: David Horstmann <[email protected]>

conf.py

@@ -55,3 +55,8 @@
 # relative to this directory. They are copied after the builtin static files,
 # so a file named "default.css" will overwrite the builtin "default.css".
 html_static_path = ['_static']
+
+# Tell reredirects to redirect moved pages
+redirects = {
+    "roadmap/index.html": "../project/roadmap/"
+}