diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..d98a4bf
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+.yardoc
+doc
diff --git a/.yardopts b/.yardopts
new file mode 100644
index 0000000..873ce10
--- /dev/null
+++ b/.yardopts
@@ -0,0 +1 @@
+*.rb --private --exclude old/* 
diff --git a/Gemfile b/Gemfile
new file mode 100644
index 0000000..896d28a
--- /dev/null
+++ b/Gemfile
@@ -0,0 +1,2 @@
+source "https://rubygems.org"
+gem "yard"
diff --git a/Gemfile.lock b/Gemfile.lock
new file mode 100644
index 0000000..b3289ce
--- /dev/null
+++ b/Gemfile.lock
@@ -0,0 +1,13 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    yard (0.9.14)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  yard
+
+BUNDLED WITH
+   1.16.1