message: update storage documentation
  By default, putFile and getFile use options for encrypted files. If we don't specify options we create and read encrypted files
diff: @@ -10,7 +10,10 @@ version. These features will be rolled out in future updates.
  ## Creating a file
  ```JavaScript
  - blockstack.putFile("/hello.txt", "hello world!")
  +let options = {
  + encrypt: false
  +}
  + blockstack.putFile("/hello.txt", "hello world!", options)
  .then(() => {
  // /hello.txt exists now, and has the contents "hello world!".
  })
  @@ -19,7 +22,11 @@ version. These features will be rolled out in future updates.
  ## Reading a file
  ```JavaScript
  - blockstack.getFile("/hello.txt")
  + let options = {
  + decrypt: false
  + }
  +
  + blockstack.getFile("/hello.txt", options)
  .then((fileContents) => {
  // get the contents of the file /hello.txt
  assert(fileContents === "hello world!")
  