Update footer (#5)

* Update footers

* Add roadmap stub

Author: jarrodmillman

config.yaml

@@ -67,7 +67,20 @@ params:
         links:
           - text: About
             link: /about/
+          - text: Roadmap
+            link: /about/roadmap/
+          - text: Code of Conduct
+            link: https://scientific-python.org/code_of_conduct/
       column2:
+        title: "Maintainers"
         links:
+          - text: SPECs
+            link: https://scientific-python.org/specs/
+          - text: Summits
+            link: https://scientific-python.org/summits/
+          - text: Calendars
+            link: https://scientific-python.org/calendars/
       column3:
         links:
+          - text: Press kit
+            link: https://scientific-python.org/press-kit/

content/about/roadmap.md

@@ -0,0 +1,9 @@
+---
+title: "Roadmap"
+---
+
+## Roadmap section 1
+
+Here is some roadmap text.
+
+## Roadmap section 2