feat: make landing page checks give warnings rather than errors

Hugo team have added warnf function to enable this.

Also, parse refactored widget titles for Markdown and emojis.

wowchemy/layouts/partials/widget_page.html

@@ -9,17 +9,17 @@
   {{ $headless_bundle = site.GetPage $page }}
   {{/* Check homepage exists */}}
   {{ if not $headless_bundle }}
-    {{ errorf "Homepage not found at %s!" $page }}
-    {{ errorf "Add the `/home/index.md` homepage file to each language's content folder. For example, your site should have a `content/home/` folder containing `index.md` and your homepage sections, or for multi-language sites, `content/en/home/` and `content/zh/home/` etc. Refer to the 'Build Your Homepage' and 'Language' documentation at https://wowchemy.com/docs/ and the example homepage at https://github.com/wowchemy/starter-academic/tree/master/exampleSite/content/home/index.md ." }}
+    {{ warnf "Homepage not found at %s!" $page }}
+    {{ warnf "Add the `/home/index.md` homepage file to each language's content folder. For example, your site should have a `content/home/` folder containing `index.md` and your homepage sections, or for multi-language sites, `content/en/home/` and `content/zh/home/` etc. Refer to the 'Build Your Homepage' and 'Language' documentation at https://wowchemy.com/docs/ and the example homepage at https://github.com/wowchemy/starter-academic/tree/master/exampleSite/content/home/index.md ." }}
   {{ end }}
 {{ else }}
   {{ $page = .File.Path }}
   {{ $headless_bundle = site.GetPage $page }}
   {{/* Check widget page exists. */}}
   {{ if not $headless_bundle }}
-    {{ errorf "Widget Page not found at %s!" $page }}
-    {{ errorf "View the Widget Page documentation at https://wowchemy.com/docs/managing-content/#create-a-widget-page ." }}
-    {{ errorf "If the Hugo version is between 0.65 and 0.68, it may be a confirmed Hugo bug that is expected to be fixed in Hugo v0.69: https://github.com/wowchemy/wowchemy-hugo-modules/issues/1595#issuecomment-605514973 ." }}
+    {{ warnf "Widget Page not found at %s!" $page }}
+    {{ warnf "View the Widget Page documentation at https://wowchemy.com/docs/managing-content/#create-a-widget-page ." }}
+    {{ warnf "If the Hugo version is between 0.65 and 0.68, it may be a confirmed Hugo bug that is expected to be fixed in Hugo v0.69: https://github.com/wowchemy/wowchemy-hugo-modules/issues/1595#issuecomment-605514973 ." }}
   {{ end }}
 {{ end }}
 
@@ -112,12 +112,12 @@
       {{ if $st.Title }}
         {{ if eq $columns "1" }}
           <div class="col-12 section-heading text-center">
-            {{ with $st.Title }}<h1>{{.}}</h1>{{ end }}
+            {{ with $st.Title }}<h1>{{ . | markdownify | emojify }}</h1>{{ end }}
             {{ with $st.Params.subtitle }}<p>{{ . | markdownify | emojify }}</p>{{ end }}
           </div>
         {{else}}
           <div class="col-12 col-lg-4 section-heading">
-            {{ with $st.Title }}<h1>{{.}}</h1>{{ end }}
+            {{ with $st.Title }}<h1>{{ . | markdownify | emojify }}</h1>{{ end }}
             {{ with $st.Params.subtitle }}<p>{{ . | markdownify | emojify }}</p>{{ end }}
           </div>
         {{end}}