Add files via upload

fileio.lua

@@ -0,0 +1,21 @@
+function readfile(path)
+      local file = io.open(path, "r")
+      if file then
+        local content = file:read("*a")
+        io.close(file)
+        return content
+      end
+      return nil
+end
+
+function writefile(path, content, mode)
+      mode = mode or "w+b"
+      local file = io.open(path, mode)
+      if file then
+        if file:write(content) == nil then return false end
+        io.close(file)
+        return true
+      else
+        return false
+      end
+end