Add date front matter to pages missing it

CONTRIBUTING.md

@@ -45,6 +45,10 @@ Scientific Python projects using GitHub pull requests.
 
     - Commit locally as you progress (`git add` and `git commit`)
 
+    - If you add a new page under `content/`, include a `date:` field in its front
+      matter (e.g. `date: 2026-10-02`). Pages without a date appear in the site's
+      RSS feed (`index.xml`) dated 1 January 0001.
+
 3.  Submit your contribution:
     - Push your changes back to your fork on GitHub:
 

content/about/governance.md

@@ -1,5 +1,6 @@
 ---
 title: "Governance and Decision Making"
+date: 2022-01-06
 ---
 
 ## Abstract

content/code_of_conduct.md

@@ -1,5 +1,6 @@
 ---
 title: "Code of Conduct"
+date: 2021-01-06
 ---
 
 This code of conduct applies to all spaces managed by the scientific Python

content/press-kit.md

@@ -1,6 +1,7 @@
 ---
 title: Press kit
 sidebar: false
+date: 2021-11-04
 ---
 
 We would like to make it easy for you to include the Scientific Python project identity in your next academic paper, course materials, or presentation.

content/roadmap.md

@@ -1,5 +1,6 @@
 ---
 title: "Roadmap"
+date: 2022-01-06
 ---
 
 With an extensive and high-quality ecosystem of libraries, scientific Python

content/summits/developer/2023/general-planning.md

@@ -1,5 +1,6 @@
 ---
 title: "General Planning Meeting"
+date: 2023-02-27
 ---
 
 ## Information

content/summits/domain-stacks/meeting1.md

@@ -1,5 +1,6 @@
 ---
 title: "Meeting 1"
+date: 2022-09-06
 ---
 
 ## Information

content/summits/sparse/array-followup-2023-06-17.md

@@ -1,5 +1,6 @@
 ---
 title: "Summit Follow Up June 17"
+date: 2023-06-17
 ---
 
 # Friday June 17 2023, 14:00 to 15:00 UTC

content/summits/sparse/meeting1.md

@@ -1,5 +1,6 @@
 ---
 title: "Meeting 1"
+date: 2022-09-26
 ---
 
 ## Information

content/summits/sparse/meeting2.md

@@ -1,5 +1,6 @@
 ---
 title: "Meeting 2"
+date: 2023-04-27
 ---
 
 ## Information