Merge branch 'canary' into master (#711)

* refactor(i18n): simplify the structure of the translation file

* chore: prepare repository for v4.0.0-alpha

* chore: modify go.mod to v4

* refactor: migrate theme configuration to TOML

* fix: exampleSite not using correct theme

* feat: add favicon from assets folder

* refactor: drop linear grandient background feature

remove node-vibrant from dependencies

* feat: use Hugo's code block render hook to implement code copy button

Now it can have i18n support

* refactor: delete color.ts

* refactor: delete Emoji support post from example site

* refactor: drop support for `hidden` field in front matter

* feat: upgrade to PhotoSwipe v5

* chore: bump the required hugo version to 0.100.0

* refactor: remove PhotoSwipe from external.yaml

* fix: extra margin in search result

* fix: incorrect markdown heading level in example site

* refactor: remove some usages of `default` in template

No longer needed thanks to Hugo's configuration merge

* fix: one line codeblock style in firefox

closes https://github.com/CaiJimmy/hugo-theme-stack/issues/564

* feat: add style to new codeblock

* feat: i18n support for codeblock copy text

* fix(menu): jitter when closing menu

It's caused by flexbox gap property, which can't animate

* fix(search): long text overflows under the Search icon

closes https://github.com/CaiJimmy/hugo-theme-stack/issues/515

i18n/nl.yaml

@@ -1,57 +1,38 @@
-toggleMenu:
-    other: Open Menu
+toggleMenu: Open Menu
 
-darkMode:
-    other: Donkere modus
+darkMode: Donkere modus
 
 list:
     page:
         one: "{{ .Count }} pagina"
         other: "{{ .Count }} pagina's"
-
-    section:
-        other: Sectie
-
+    section: Sectie
     subsection:
         one: Subsectie
         other: Subsecties
 
 article:
-    relatedContent:
-        other: Gerelateerde inhoud
-    lastUpdatedOn:
-        other: Laatst bijgewerkt op
+    relatedContent: Gerelateerde inhoud
+    lastUpdatedOn: Laatst bijgewerkt op
 
 notFound:
-    title:
-        other: Niet gevonden
-    subtitle:
-        other: Deze pagina bestaat niet.
+    title: Niet gevonden
+    subtitle: Deze pagina bestaat niet.
 
 widget:
     archives:
-        title:
-            other: Archief
-        more:
-            other: Meer
+        title: Archief
+        more: Meer
     tagCloud:
-        title:
-            other: Tags
-
+        title: Tags
     categoriesCloud:
-        title:
-            other: Categorie
+        title: Categorie
 
 search:
-    title:
-        other: Zoeken
-    placeholder:
-        other: Typ iets
-    resultTitle:
-        other: "#PAGES_COUNT pagina's (#TIME_SECONDS seconden)"
+    title: Zoeken
+    placeholder: Typ iets
+    resultTitle: "#PAGES_COUNT pagina's (#TIME_SECONDS seconden)"
 
 footer:
-    builtWith:
-        other: Gemaakt met {{ .Generator }}
-    designedBy:
-        other: Theme {{ .Theme }} ontworpen door {{ .DesignedBy }}
+    builtWith: Gemaakt met {{ .Generator }}
+    designedBy: Theme {{ .Theme }} ontworpen door {{ .DesignedBy }}