Add avatar option and footer text option (#41)

* Add avatar option and footer text option

* add responsive avatar for narrow screen

* improvement of code

* conflicts solved

layouts/partials/footer.html

@@ -1,5 +1,8 @@
 <footer class="footer">
   <section class="container">
+    {{ with .Site.Params.footercontent }}
+      <p>{{.}}</p>
+    {{ end }}
     {{ if not .Site.Params.hideCopyright }} © {{ .Site.LastChange.Format "2006" }} {{ end }} {{ if not .Site.Params.hideCredits}} {{ if not .Site.Params.hideCopyright }} · {{ end }} Powered by <a href="https://gohugo.io/">Hugo</a> & <a href="https://github.com/luizdepra/hugo-coder/">Coder</a>. {{ end }}
   </section>
 </footer>

layouts/partials/home.html

@@ -1,5 +1,8 @@
 <section class="container centered">
   <div class="about">
+    {{ with .Site.Params.avatarurl }}
+      <div class="avatar"><img src="{{.}}" alt="avatar"></div>
+    {{ end }}
     <h1>{{ .Site.Params.author }}</h1>
     <h2>{{ .Site.Params.info }}</h2>
     {{ with .Site.Params.social }}