Add DocsGPT to the list of projects for beginners

- DocsGPT is an open-source RAG assistant for reliable document Q&A
- 16.9k stars, 195 contributors, actively maintained with modern AI/ML stack
- Uses 'good first issue' label with currently 3 open beginner-friendly issues
- Built with Python (40.7%) and TypeScript (52.6%)
- Repository: https://github.com/arc53/DocsGPT

data.json

@@ -1499,6 +1499,16 @@
             ],
             "description": "MindsDB is an open source AI layer for existing databases."
         },
+        {
+            "name": "DocsGPT",
+            "link": "https://github.com/arc53/DocsGPT",
+            "label": "good first issue",
+            "technologies": [
+                "Python",
+                "TypeScript"
+            ],
+            "description": "Open-source RAG assistant that helps users get reliable answers from knowledge sources while avoiding hallucinations."
+        },
         {
             "name": "Bokeh",
             "link": "https://github.com/bokeh/bokeh",