Include nano in TWRP by default

Use 'TW_EXCLUDE_NANO := true' to exclude from build

Will be excluded by default if 'TW_OEM_BUILD := true' is set

Change-Id: I812399ef9f3f5d3c7d4baf981924d49255c16e5a
diff --git a/etc/init/nano.rc b/etc/init/nano.rc
new file mode 100644
index 0000000..f57f656
--- /dev/null
+++ b/etc/init/nano.rc
@@ -0,0 +1,3 @@
+on fs
+    export TERMINFO /system/etc/terminfo
+    export TERM pcansi