diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..43b87c6
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+.bundle
+vendor/bundle/*
diff --git a/.ruby-version b/.ruby-version
new file mode 100644
index 0000000..54de8fc
--- /dev/null
+++ b/.ruby-version
@@ -0,0 +1,2 @@
+2.6.5
+
diff --git a/Gemfile b/Gemfile
new file mode 100644
index 0000000..f613403
--- /dev/null
+++ b/Gemfile
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+source "https://rubygems.org"
+
+git_source(:github) {|repo_name| "https://github.com/#{repo_name}" }
+
+group :test do
+  gem 'rspec'
+end
diff --git a/Gemfile.lock b/Gemfile.lock
new file mode 100644
index 0000000..159b403
--- /dev/null
+++ b/Gemfile.lock
@@ -0,0 +1,26 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    diff-lcs (1.3)
+    rspec (3.9.0)
+      rspec-core (~> 3.9.0)
+      rspec-expectations (~> 3.9.0)
+      rspec-mocks (~> 3.9.0)
+    rspec-core (3.9.0)
+      rspec-support (~> 3.9.0)
+    rspec-expectations (3.9.0)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.9.0)
+    rspec-mocks (3.9.0)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.9.0)
+    rspec-support (3.9.0)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  rspec
+
+BUNDLED WITH
+   1.17.2