use https for asset links

Author: jonhealy1

README.md

@@ -5,7 +5,7 @@
 
 
 <p align="left">
-  <img src="assets/sfeos.png" width=1200>
+  <img src="https://raw.githubusercontent.com/stac-utils/stac-fastapi-elasticsearch-opensearch/refs/heads/main/assets/sfeos.png" width=1200>
 </p>
 
 ## What is stac-fastapi-elasticsearch-opensearch?
@@ -45,11 +45,11 @@ The following organizations have contributed time and/or funding to support the
 This project is built on the following technologies: STAC, stac-fastapi, FastAPI, Elasticsearch, Python, OpenSearch
 
 <p align="left">
-  <a href="https://stacspec.org/"><img src="assets/STAC-01.png" alt="STAC" height="100" hspace="10"></a>
-  <a href="https://www.python.org/"><img src="assets/python.png" alt="Python" height="80" hspace="10"></a>
-  <a href="https://fastapi.tiangolo.com/"><img src="assets/fastapi.svg" alt="FastAPI" height="80" hspace="10"></a>
-  <a href="https://www.elastic.co/"><img src="assets/elasticsearch.png" alt="Elasticsearch" height="80" hspace="10"></a>
-  <a href="https://opensearch.org/"><img src="assets/opensearch.svg" alt="OpenSearch" height="80" hspace="10"></a>
+  <a href="https://stacspec.org/"><img src="https://raw.githubusercontent.com/stac-utils/stac-fastapi-elasticsearch-opensearch/refs/heads/main/assets/STAC-01.png" alt="STAC" height="100" hspace="10"></a>
+  <a href="https://www.python.org/"><img src="https://raw.githubusercontent.com/stac-utils/stac-fastapi-elasticsearch-opensearch/refs/heads/main/assets/python.png" alt="Python" height="80" hspace="10"></a>
+  <a href="https://fastapi.tiangolo.com/"><img src="https://raw.githubusercontent.com/stac-utils/stac-fastapi-elasticsearch-opensearch/refs/heads/main/assets/fastapi.svg" alt="FastAPI" height="80" hspace="10"></a>
+  <a href="https://www.elastic.co/"><img src="https://raw.githubusercontent.com/stac-utils/stac-fastapi-elasticsearch-opensearch/refs/heads/main/assets/elasticsearch.png" alt="Elasticsearch" height="80" hspace="10"></a>
+  <a href="https://opensearch.org/"><img src="https://raw.githubusercontent.com/stac-utils/stac-fastapi-elasticsearch-opensearch/refs/heads/main/assets/opensearch.svg" alt="OpenSearch" height="80" hspace="10"></a>
 </p>
 
 ## Table of Contents