Update README

Author: operando

README.md

@@ -1,2 +1,27 @@
-# Android-N-Code-Reading
-Android N Code Reading
+# Android N Code Reading
+
+## Android N for Developers
+
+http://developer.android.com/intl/ja/about/versions/nougat/android-7.0.html
+
+
+## Android 7.0 Behavior Changes
+
+https://developer.android.com/about/versions/nougat/android-7.0-changes.html
+
+
+## Android 7.0 Samples
+
+https://developer.android.com/about/versions/nougat/android-7.0-samples.html
+
+
+## API Differences between 23 and 24
+
+https://developer.android.com/sdk/api_diff/24/changes.html
+
+
+## Android 7.0 OpenGrok
+
+http://tools.oesf.biz/android-7.0.0_r1.0/
+
+http://androidxref.com/7.0.0_r1/