Update DevJam documentation, add new page for the upcoming DevJam 9 (#315)

* Add stats for DevJam 8, add entry for DevJam 9

* Add a page for the DevJam 9

Author: Hexadigital

docs/developer-docs/devjam.md

@@ -62,7 +62,8 @@ Check the links here for console-specific guidelines and info:
 |   05   | 2024-09-01 - 2024-11-30 |    [PC-8001/PC-8801](/developer-docs/devjam/5-pc88)    |           25           |      40       |
 |   06   | 2024-12-01 - 2025-03-16 |      [Apple II](/developer-docs/devjam/6-appleii)      |           20           |      40       |
 |   07   | 2025-04-01 - 2025-06-30 |   [Sega CD/32X](/developer-docs/devjam/7-segacd-32x)   |           27           |      40       |
-|   08   | 2025-07-01 - 2025-09-30 |          [MSX](/developer-docs/devjam/8-msx)           |          TBA           |      TBA      |
+|   08   | 2025-07-01 - 2025-09-30 |          [MSX](/developer-docs/devjam/8-msx)           |           26           |      79       |
+|   09   | 2026-02-01 - 2025-04-30 |      [Catch-Up](/developer-docs/devjam/9-catch-up)     |           ??           |      ??       |
 
 ## Planned DevJams
 

docs/developer-docs/devjam/9-catch-up.md

@@ -0,0 +1,54 @@
+# DevJam IX (Catch-Up)
+
+[[toc]]
+
+## Time and Duration
+
+- Start Date: 2026-02-01
+- Launch Date: 2026-04-30
+
+## Point System
+
+Max Earnable Points: 6, or the number of points you are away from 50, depending on which is smaller.
+
+This table details earnable points for the Catch-Up DevJam:
+
+| Points |                   Set Submission                               |
+| :----: | :------------------------------------------------------------: |
+|   4    |                Licensed Saturn RPGs                            |
+|   3    |                Standard Apple II games                         |
+|   3    |                Licensed MSX Games                              |
+|   3    |                Standard PC-8801 games                          |
+|   3    |                Licensed PC Engine (CD) Games                   |
+|   3    |                Licensed Saturn Games                           |
+|   3    |                Licensed Sega CD Games                          |
+|   3    |                Atomiswave and Sega NAOMI games                 |
+|   2    |                Other Licensed Games                            |
+|   2    |                Homebrews, Hacks, etc.                          |
+|   2    |                Collaborations (3-point games)                  |
+|   1    |                Collaborations (2-point games)                  |
+|   1    |                Late Submissions                                |
+
+## Quarterly Goals
+
+This DevJam, as a catch-up period, does not have any special goals.
+
+The list of eligible platforms is as follows:
+
+- Apple II
+- Arcade
+- MSX
+- PC-8001/PC-8801
+- PC Engine
+- PC Engine CD
+- Sega 32X
+- Sega CD
+- Sega Saturn
+- Sega SG-1000
+
+## See Also
+
+- [Main DevJam Page](/developer-docs/devjam)
+- [DevJam Vol. 1 Event Entry](https://retroachievements.org/game/20000)
+- [DevJam Vol. 2 Event Entry](https://retroachievements.org/game/30000)
+- [DevJam Forum Topic](https://retroachievements.org/viewtopic.php?t=22368)