Define contact information in params, add to footer of the page (#166)

contact icons in footer, opt-in via parameter

exampleSite/config.toml

@@ -51,5 +51,13 @@ title = "Jane Doe - Nutrition Coach & Chef Consultant"
     # The sections of the home page alternate styling. Mark invert as true to swap the styling of the sections
     invertSectionColors = false
     
+    [params.footer]
+    # Show contact icons for email/phone (if specified) in the footer of the page
+    showContactIcons = false
+
     [params.meta]
         keywords = "some, keywords, for, seo, you, know, google, duckduckgo, and, such"
+
+    [params.contact]
+        email = "mail@janedoe.com"
+        phone = "+49 1111 555555"

exampleSite/content/homepage/contact.md

@@ -4,8 +4,8 @@ weight: 4
 header_menu: true
 ---
 
-{{<icon class="fa fa-envelope">}}&nbsp;[mail@janedoe.com](mailto:your-email@your-domain.com)
+{{<icon class="fa fa-envelope">}}&nbsp;[{{<email>}}](mailto:{{<email>}})
 
-{{<icon class="fa fa-phone">}}&nbsp;[+49 1111 555555](tel:+491111555555)
+{{<icon class="fa fa-phone">}}&nbsp;[{{<phone>}}](tel:{{<phone>}})
 
 Let us get in touch!