Add OpenGraph to each page (#147)

Jeffrey C

04.43.2019 944092c2254c344507485b58ff87e5eaeffc80d4

 exampleSite/config.toml

@@ -39,6 +39,9 @@
    # Custom CSS
    custom_css = []

[taxonomies]
  series = "series"

[[params.social]]
    name = "Github"
    icon = "fab fa-github"