autocompletion for VSCode

For VScode autocomplete to work, we need to provide *.json files which define the interface of each class. They are added by this MR.

The folder holding these needs to be added to latex-workshop.intellisense.package.dirs: []

closes #20

src/HsH-article.cls

@@ -17,7 +17,7 @@
 %% 
 \NeedsTeXFormat{LaTeX2e}[2022-06-01]
 \ProvidesClass{HsH-article}
-  [2024-08-10 3.03.dev0 HsH-class based on KOMA]
+  [2024-07-21 3.03 HsH-class based on KOMA]
 \let\HsHClassName\@currname
 \def\HsHClassName@ParrentClass{%
   scrartcl%
@@ -426,9 +426,9 @@
 }
 \upsubscripts
 \raggedbottom
+\let\layercontentsmeasure\relax
 \RequirePackage{scrlayer-scrpage}
 \FamilyOptions{KOMA}{headsepline,singlespacing=true}
-\let\layercontentsmeasure\relax
 \newpagestyle{HsHheadings}{
   {
     \parbox[b]{\sls@headwidth}{