Elixir wrapper of B2 Cloud Storage

If available in Hex, the package can be installed as:

1. Add b2 to your list of dependencies in mix.exs:

   def deps do [{:b2, "~> 0.0.6"}] end

2. Ensure b2 is started before your application:

   def application do [applications: [:b2]] end

3. Puts config your config.exs

config :b2, B2,
  account_id: "your account id",
  application_key: "your application key"

B2.File.upload(bucket_id, file_name, content_type, file_path)