Add a file with the short descriptions of each repository

Author: tarleb

docs/short-descriptions.md

@@ -0,0 +1,18 @@
+---
+minimal: >-
+  Minimal image for pandoc, the universal document converter.
+
+core: >-
+  Official pandoc image with image conversion tools and pandoc-crossref.
+
+latex: >-
+  Official pandoc image with pandoc, pandoc-crossref, and a minimal LaTeX
+  installation.
+
+extra: >-
+  Large pandoc image with many LaTeX extras, including popular fonts and the
+  "Eisvogel" template.
+
+typst: >-
+  Document conversion with pandoc, pandoc-crossref, and Typst.
+---