Update README.md

Author: oscarspalk

README.md

@@ -1,5 +1,5 @@
 # ImageGenerationAPI
-This is a simple API, yet it can be useful, and I am planning on extending its feature in the future.
+This is a simple API built with Spring, yet it can be useful, and I am planning on extending its feature in the future.
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 You are welcome to clone this, and host your own and add features. But you can access an online version of it at: https://young-falls-42001.herokuapp.com/image-generator/