Did it now, really; also added a _index.html for the welcome box

hugo.toml

@@ -2,13 +2,18 @@ baseURL = "https://blog.privacynerd.de/"
 #baseURL = "/"
 title = "Privacynerd's blog"
 #theme = "re-terminal"  # v2.4.1 (working!)
-theme = "terminal"  # 4.2.1 (working!)
+#theme = "terminal"  # 4.2.1 (working!)
+theme = "terminal-fork"  # for devel purposes
 
 defaultContentLanguage = "en"
 defaultContentLanguageInSubdir = true
 
 pagination.pagerSize = 5
 
+# Required for Chroma and the custom syntax highlighting (terminal theme)
+[markup.highlight]
+  noClasses = false
+
 [params]
   # dir name of your main content (default is `content/posts`).
   # the list of set content will show up on your index page (baseurl).
@@ -22,6 +27,11 @@ pagination.pagerSize = 5
 
   # show selector to switch language
   showLanguageSelector = true  # (default: false)
+  
+  # the language selector always links...
+  # - true: the translated content equivalent (e.g. /en/posts/some-post directly → /de/posts/some-post), 
+  # - false: just to the translated root (e.g. /en/posts/some-post → /de)
+  changeLanguageOfCurrentPage = true  # (default: false)
 
   # set theme to full screen width
   fullWidthTheme = false  # (default: false)
@@ -36,7 +46,7 @@ pagination.pagerSize = 5
 
   # set post to show the last updated
   # If you use git, you can set `enableGitInfo` to `true` and then post will automatically get the last updated
-  #showLastUpdated = true  # (default: false)
+  # showLastUpdated = true  # (default: false)
 
   # Provide a string as a prefix for the last update date. By default, it looks like this: 2020-xx-xx [Updated: 2020-xx-xx] :: Author
   # updatedDatePrefix = "Updated"
@@ -45,7 +55,8 @@ pagination.pagerSize = 5
   oneHeadingSize = false # (default: true)
 
   # whether to show a page's estimated reading time
-  showReadingTime = true # (default: false)
+  # showReadingTime = true # (for the re-terminal theme with adaptions in layouts/ folder; default: false)
+  readingTime = true # (default: false)
 
   # whether to show a table of contents
   # can be overridden in a page's front-matter