Add links to EN articles

Author: aNNiMON

README.md

@@ -1,5 +1,8 @@
 # exif-geo
 
-Source code for OpenLayers tutorial: https://annimon.com/article/4028
+Source code for OpenLayers tutorial:
+ 1. [Geotagging is easy. OpenLayers](https://blog.annimon.com/geotagging-is-easy-1/)
+ 2. [Geotagging is easy. Clustering](https://blog.annimon.com/geotagging-is-easy-2/)
+ 3. [Geotagging is easy. Rust CLI app](https://blog.annimon.com/geotagging-is-easy-3/)
 
 Rust cli application for scanning photos folder, extracting exif data and creating a map with geopositions.