Update CHANGELOG and history

Author: mmistakes

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 ### Enhancements
 
+- Update `.gitignore` file. [#2366](https://github.com/mmistakes/minimal-mistakes/pull/2366)
 - Allow override of page excerpt in hero header via `tagline` YAML front matter. [#2307](https://github.com/mmistakes/minimal-mistakes/pull/2307)
 - Exclude `package-lock.json` from Jekyll build. [#2364](https://github.com/mmistakes/minimal-mistakes/pull/2364)
 - Use `%-d` instead of `%d` so displayed dates aren't padded with zero. [#2359](https://github.com/mmistakes/minimal-mistakes/pull/2359)

docs/_docs/18-history.md

@@ -5,14 +5,15 @@ permalink: /docs/history/
 excerpt: "Change log of enhancements and bug fixes made to the theme."
 sidebar:
   nav: docs
-last_modified_at: 2020-01-07T13:11:03-05:00
+last_modified_at: 2020-01-14T12:32:13-05:00
 toc: false
 ---
 
 ## Unreleased
 
 ### Enhancements
 
+- Update `.gitignore` file. [#2366](https://github.com/mmistakes/minimal-mistakes/pull/2366)
 - Allow override of page excerpt in hero header via `tagline` YAML front matter. [#2307](https://github.com/mmistakes/minimal-mistakes/pull/2307)
 - Exclude `package-lock.json` from Jekyll build. [#2364](https://github.com/mmistakes/minimal-mistakes/pull/2364)
 - Use `%-d` instead of `%d` so displayed dates aren't padded with zero. [#2359](https://github.com/mmistakes/minimal-mistakes/pull/2359)