Add Qdrant as a Gold Sponsor (#204)

Author: userimack

src/_data/sponsors.json

@@ -37,6 +37,12 @@
                     "url": "https://www.coderabbit.ai/",
                     "logo": "img/sponsors/coderabbit.svg",
                     "description": "CodeRabbit is an AI-powered code reviewer that brings senior-engineer expertise directly into your Git workflow. Trusted by over 100,000 open-source projects, it has reviewed more than 12 million PRs across 1 million repositories."
+                },
+                {
+                    "name": "Qdrant",
+                    "url": "https://qdrant.tech/",
+                    "logo": "img/sponsors/qdrant.svg",
+                    "description": "Qdrant is the leading open-source vector database, built for Python developers creating AI-driven applications. From semantic search and recommendations to retrieval-augmented generation (RAG), Qdrant makes it easy to store, filter, and query embeddings at scale. With a Python-first client, seamless integration into ML workflows, and strong community roots, Qdrant helps developers move from prototype to production confidently. Trusted worldwide, Qdrant is proud to support PyCon India and invest in the growth of one of the world’s most dynamic Python communities."
                 }
             ]
         },