update README

diff --git a/README b/README
deleted file mode 100644 (file)
index b1b4dd3..0000000
--- a/README
+++ /dev/null
@@ -1 +0,0 @@
-# AIO converter
\ No newline at end of file

diff --git a/README.md b/README.md
new file mode 100644 (file)
index 0000000..de4a37a
--- /dev/null
+++ b/README.md
@@ -0,0 +1,3 @@
+# AIO converter
+
+Converts various units of temperature, mass, and currency.
\ No newline at end of file