Add "pandoc-latex-template" from "https://git.knownelement.com/ExternalVendorCode/pandoc-latex-template.git@master"

git-vendor-name: pandoc-latex-template
git-vendor-dir: vendor/git.knownelement.com/ExternalVendorCode/pandoc-latex-template
git-vendor-repository: https://git.knownelement.com/ExternalVendorCode/pandoc-latex-template.git
git-vendor-ref: master

vendor/git.knownelement.com/ExternalVendorCode/pandoc-latex-template/tests/heading/build.sh

@@ -0,0 +1 @@
+pandoc "document.md" -o "document.pdf" --from markdown --template "../../eisvogel.tex" --listings

vendor/git.knownelement.com/ExternalVendorCode/pandoc-latex-template/tests/heading/document.md

@@ -0,0 +1,32 @@
+---
+title: "Test: Heading"
+author: [Author]
+date: "2022-11-24"
+subject: "Markdown"
+keywords: [Markdown, Example, Text, Heading]
+lang: "en"
+...
+
+# Test: Heading
+
+## Setext-style headings
+
+level one
+=========
+
+level two
+---------
+
+## ATX-style headings
+
+# level one
+
+## level two
+
+### level three
+
+#### level four
+
+##### level five
+
+###### level six