feat: Adds changelog gem and rake task

CHANGELOG.md

@@ -1,9 +1,29 @@
-# Change Log
+# Changelog
 
-All notable changes to the "darkdev" extension will be documented in this file.
+## [Unreleased](https://github.com/adrijshikhar/darkdev/tree/HEAD)
 
-Check [Keep a Changelog](http://keepachangelog.com/) for recommendations on how to structure this file.
+[Full Changelog](https://github.com/adrijshikhar/darkdev/compare/v0.3.3...HEAD)
 
-## [Unreleased]
+**Merged pull requests:**
 
-- Initial release
+- Update issue templates [\#7](https://github.com/adrijshikhar/darkdev/pull/7) ([adrijshikhar](https://github.com/adrijshikhar))
+- Create CODE\_OF\_CONDUCT.md [\#6](https://github.com/adrijshikhar/darkdev/pull/6) ([adrijshikhar](https://github.com/adrijshikhar))
+
+## [v0.3.3](https://github.com/adrijshikhar/darkdev/tree/v0.3.3) (2020-04-16)
+
+[Full Changelog](https://github.com/adrijshikhar/darkdev/compare/1970a4373dca81a84b6b9d9e38493f2942fc59ea...v0.3.3)
+
+**Closed issues:**
+
+- that blue sucks! Fix it xD [\#2](https://github.com/adrijshikhar/darkdev/issues/2)
+
+**Merged pull requests:**
+
+- Version update [\#5](https://github.com/adrijshikhar/darkdev/pull/5) ([adrijshikhar](https://github.com/adrijshikhar))
+- Version update [\#4](https://github.com/adrijshikhar/darkdev/pull/4) ([adrijshikhar](https://github.com/adrijshikhar))
+- V0.3.0 [\#3](https://github.com/adrijshikhar/darkdev/pull/3) ([adrijshikhar](https://github.com/adrijshikhar))
+- Configure WhiteSource Bolt for GitHub [\#1](https://github.com/adrijshikhar/darkdev/pull/1) ([whitesource-bolt-for-github[bot]](https://github.com/apps/whitesource-bolt-for-github))
+
+
+
+\* *This Changelog was automatically generated by [github_changelog_generator](https://github.com/github-changelog-generator/github-changelog-generator)*

Gemfile

@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+source "https://rubygems.org"
+
+git_source(:github) {|repo_name| "https://github.com/#{repo_name}" }
+
+# gem "rails"
+gem "github_changelog_generator"
+gem "figaro"

Gemfile.lock

@@ -0,0 +1,56 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    activesupport (6.0.3.3)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 0.7, < 2)
+      minitest (~> 5.1)
+      tzinfo (~> 1.1)
+      zeitwerk (~> 2.2, >= 2.2.2)
+    addressable (2.7.0)
+      public_suffix (>= 2.0.2, < 5.0)
+    concurrent-ruby (1.1.7)
+    faraday (1.0.1)
+      multipart-post (>= 1.2, < 3)
+    faraday-http-cache (2.2.0)
+      faraday (>= 0.8)
+    figaro (1.2.0)
+      thor (>= 0.14.0, < 2)
+    github_changelog_generator (1.15.2)
+      activesupport
+      faraday-http-cache
+      multi_json
+      octokit (~> 4.6)
+      rainbow (>= 2.2.1)
+      rake (>= 10.0)
+      retriable (~> 3.0)
+    i18n (1.8.5)
+      concurrent-ruby (~> 1.0)
+    minitest (5.14.2)
+    multi_json (1.15.0)
+    multipart-post (2.1.1)
+    octokit (4.18.0)
+      faraday (>= 0.9)
+      sawyer (~> 0.8.0, >= 0.5.3)
+    public_suffix (4.0.6)
+    rainbow (3.0.0)
+    rake (13.0.1)
+    retriable (3.1.2)
+    sawyer (0.8.2)
+      addressable (>= 2.3.5)
+      faraday (> 0.8, < 2.0)
+    thor (1.0.1)
+    thread_safe (0.3.6)
+    tzinfo (1.2.7)
+      thread_safe (~> 0.1)
+    zeitwerk (2.4.0)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  figaro
+  github_changelog_generator
+
+BUNDLED WITH
+   2.1.4

Rakefile

@@ -0,0 +1,9 @@
+require 'github_changelog_generator/task'
+
+TOKEN = ENV["CHANGELOG_GITHUB_TOKEN"]
+
+GitHubChangelogGenerator::RakeTask.new :changelog do |config|
+  config.user = 'adrijshikhar'
+  config.project = 'darkdev'
+  config.token = TOKEN
+end