Added text and license notes

Author: bitluni

README.md

@@ -9,9 +9,9 @@ Also check out the project page for some details, parts and datasheets
 http://bitluni.net/esp32-i2s-camera-ov7670/
 
 # Acknowledgements
-The project is based on the esp-cam-demo of Ivan Grokhotkov
+The project is based on the esp-cam-demo by Ivan Grokhotkov
 https://github.com/igrr/esp32-cam-demo
 
 #License
-Since parts of the code are taken from the esp-cam-demo which are subject to the Apache License 2.0 license.
+Since parts of the code are taken from the esp-cam-demo which are subject to the Apache License 2.0 license. You will find a note in at the top of the respective files.
 The rest of the code is Public Domain