added readme

diff --git a/README.txt b/README.txt
new file mode 100644 (file)
index 0000000..433833d
--- /dev/null
+++ b/README.txt
@@ -0,0 +1,7 @@
+
+
+
+Update lcdlib by:
+git remote add -f lcdlib https://github.com/mueschel/lcdlib
+git fetch lcdlib
+git subtree pull --prefix=lcdlib lcdlib/master --squash