docs: added env template

Author: salgado

supporting-blog-content/building-multimodal-rag-with-elasticsearch-gotham/.env.template

@@ -0,0 +1,13 @@
+# Elasticsearch Configuration
+ELASTIC_API_KEY=your_api_key_here
+ELASTICSEARCH_ENDPOINT=your_elastic_endpoint
+
+# OpenAI Configuration
+OPENAI_API_KEY=your_openai_api_key_here
+
+# Model Configuration
+MODEL_PATH=~/.cache/torch/checkpoints/imagebind_huge.pth
+
+# Optional Configuration
+#LOG_LEVEL=INFO
+#DEBUG=False