Update README.md

Author: T8RIN

README.md

@@ -828,6 +828,11 @@ or click one of the badges below.
   creating and applying filters to the images on CPU
   using native cpp code.
 
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+# 📐 App Architecture
+
+See Modules Graph at [ARCHITECTURE.md](https://github.com/T8RIN/ImageToolbox/blob/master/ARCHITECTURE.md)
+
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