Add custom alt title in Multilingual Mode + Add fallback based on LanguageName with emojify (#364)

Author: geeqla

layouts/partials/header.html

@@ -123,7 +123,7 @@
                     {{- range . -}}
                     {{- if ne $lang .Lang }}
                     <li>
-                        <a href="{{- .Permalink -}}" title="{{ .Language.LanguageName | default (.Lang | humanize) }}"
+                        <a href="{{- .Permalink -}}" title="{{ .Language.Params.languageAltTitle | default (.Language.LanguageName | emojify) | default (.Lang | humanize) }}"
                             aria-label="{{ .Language.LanguageName | default (.Lang | humanize) }}">
                             {{- if (and $.Site.Params.displayFullLangName (.Language.LanguageName)) }}
                             {{- .Language.LanguageName | emojify -}}