DodoApp: Cache static resources.

Change-Id: Ib1f800ea052c5f3b7929a1d325b351dfa0a6633e
diff --git a/core/installer/welcome/stat/hi.txt b/core/installer/welcome/stat/hi.txt
new file mode 100644
index 0000000..45b983b
--- /dev/null
+++ b/core/installer/welcome/stat/hi.txt
@@ -0,0 +1 @@
+hi