Update README.md

Author: Lisa999

README.md

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-# uPyEasy
+# uPyEasy
+
+Build status: ALPHA
+
+Introduction and wiki: https://www.letscontrolit.com/wiki/index.php/uPyEasy#Introduction
+
+This is the development branch of uPyEasy. All new untested features go into this branch. Fixes from stable branches will also be merged in this one.
+
+Check here to learn how to use this branch and help us improving uPyEasy: http://www.letscontrolit.com/wiki/index.php/uPyEasy#Source_code_development
+
+
+## Binary releases
+
+New binary release: https://github.com/letscontrolit/ESPEasy/releases
+
+The releases are named something like 'upyeasy_01022018' (last number is the build date)
+
+Depending on your needs, we release different types of files:
+
+Firmware name                         | Hardware                | Included plugins            |
+--------------------------------------|-------------------------|-----------------------------|
+upyeasy_01022018_test_ESP32_2048.bin  | ESP32 with 4Mb flash    | Alpha                       |
+upyeasy_01022018_test_STM32_1024.bin  | STM32 with 1Mb flash    | Alpha                       |
+
+## More info
+
+Details and discussion are on the uPyEasy forum: https://www.letscontrolit.com/forum/viewtopic.php?f=20&t=3577