Add gitignore, fix typo

Jonah · Jonah · commit dff7c1a0d60d · 2018-09-19T09:18:52.000-04:00
diff --git a/.gitignore b/.gitignore
@@ -0,0 +1 @@
+*.gem
diff --git a/README.md b/README.md
@@ -79,7 +79,7 @@ On the benefits of Functional Command Objects:
 
 https://www.icelab.com.au/notes/functional-command-objects-in-ruby/
 
-For a more complex, but also more fully-featured version of this ideas, see:
+For a more complex, but also more fully-featured version of this idea, see:
 
 https://dry-rb.org/gems/dry-transaction/
 
