Update README and theme conf with new options.

README.md

@@ -18,7 +18,9 @@ The [old branch](https://github.com/frjo/hugo-theme-zen/tree/old) has the origin
 * HTML5
 * jQuery 3
 * libSass
+* Micro.blog
 * Minify css
+* Meta tags and JSON-LD
 * Multilingual (i18n)
 * Normalize CSS
 * Responsive design
@@ -77,10 +79,12 @@ params:
   feedlinks: true       # Show feed links in the footer.
   footer: "A [example.org](https://example.org/) production."
   icon: ""              # Relative path to icon in json feed, no leading slash.
+  image: ""             # Relative path to site image in JSON-LD, no leading slash.
   imageMaxWidth: ""     # Max width for images added via figure shortcode.
   jquery: true          # Add jQuery
   languageDir: ""       # Set ltr or rtl, defaults to ltr.
   logo: false           # Turn off the logo.
+  microUsername: ""     # Your micro.blog username.
   mobileMenu: true      # Turn on a mobile menu on small screens.
   piwikSiteId:          # Piwik site id
   piwikTrackerUrl: ""   # Piwik url, schemaless and no slash on end (example.com/piwik).