Starts using Semantic Versioning

- Tagging it v1.0.0 as the start of semver usage
- Adds a CHANGELOG.md based on http://keepachangelog.com/en/1.0.0/

Author: lbighetti

CHANGELOG.md

@@ -0,0 +1,17 @@
+# Change log
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
+
+## [1.0.0] - 2019-04-10
+
+### Semantic Versioning & Releases
+
+Started using the following in this project:
+- Semantic Versioning
+- Git tags
+- Github Releases
+- CHANGELOG.md
+

mix.exs

@@ -4,7 +4,7 @@ defmodule RealWorld.Mixfile do
   def project do
     [
       app: :real_world,
-      version: "0.0.1",
+      version: "1.0.0",
       elixir: "~> 1.5",
       elixirc_paths: elixirc_paths(Mix.env()),
       compilers: [:phoenix, :gettext] ++ Mix.compilers(),