Update syntax highlighting for examples in README.

README.md

@@ -17,15 +17,15 @@ GCloudex uses HTTPoison for the HTTP requests, Poison for JSON encoding/decoding
 
   1. Add gcloudex to your list of dependencies in `mix.exs`:
 
-        ```
+        ```elixir
         def deps do
           [{:gcloudex, git: "git@github.com:sashaafm/gcloudex.git"}]
         end
         ```
 
   2. Ensure gcloudex is started before your application:
 
-        ```
+        ```elixir
         def application do
           [applications: [:gcloudex]]
         end
@@ -38,7 +38,7 @@ Put that file in your application's config folder and rename the file to
 
 Finally put inside the config file you want (like `dev.exs`) the following line:
 
-```
+```elixir
 config :goth,
   json: "config/<filename>.json" |> Path.expand |> File.read!
 ```
@@ -47,19 +47,19 @@ That's all you need to use GCloudex.
 
 ## Usages Examples
 ### Cloud Storage:
-```
+```elixir
 GCloudex.CloudStorage.Client.list_buckets # => {:ok, %HTTPoison.Response{body: ..., status_code: 200}}
 GCloudex.CloudStorage.CLient.put_object "bucket_name", "this_file.txt" # => {:ok, %HTTPoison.Response{body: ..., status_code: 200}}
 ```
 
 ### Cloud SQL:
-```
+```elixir
 GCloudex.CloudSQL.Client.list_databases "instance_name" # => {:ok, %HTTPoison.Response{body: ...,status_code: 200}}
 GCloudex.CloudSQL.Client-insert_databaes "instance_name", "db_name" # => {:ok, %HTTPoison.Response{body: ...,status_code: 200}}
 ```
 
 ### Cloud Speech:
-```
+```elixir
 body = """
 {
   "audio": {