Update variables names to camelCase format for consistency (#473)

Clément Pannetier

04.28.2020 c5fbd48e918a6f43281ee4bb81c9b25922fe7758

 layouts/partials/home.html

@@ -1,7 +1,7 @@
<section class="container centered">
  <div class="about">
    {{ if and (isset .Site.Params "avatarurl") (not (isset .Site.Params "gravatar")) }}
      {{ with .Site.Params.avatarurl }}
      {{ with .Site.Params.avatarURL }}
        <div class="avatar"><img src="{{ . | relURL }}" alt="avatar"></div>
      {{ end }}
    {{ end }}