add super simple time tracker to project list

main/_data/projects.json

@@ -91,6 +91,22 @@
         "status": "Side project",
         "icon": "obsidian"
     },
+    {
+        "name": "⏱️ Super Simple Time Tracker",
+        "desc": "Super Simple Time Tracker is an <a href=\"https://obsidian.md/\">Obsidian</a> plugin that adds multi-purpose, easy-to-use time trackers to your notes that continue running even when you close Obsidian.",
+        "links": [
+            {
+                "name": "Check it out",
+                "link": "https://github.com/Ellpeck/ObsidianSimpleTimeTracker"
+            },
+            {
+                "name": "Install it",
+                "link": "https://obsidian.md/plugins?id=simple-time-tracker"
+            }
+        ],
+        "status": "Side project",
+        "icon": "obsidian"
+    },
     {
         "name": "🕹️ MLEM",
         "desc": "MLEM Library for Extending MonoGame is an addition to the game framework <a href=\"https://www.monogame.net/\">MonoGame</a> that provides extension methods, quality of life improvements and additional features like a Ui system and easy input handling.",