Repair broken Markdown links

Author: katrinleinweber

docs/extra.md

@@ -15,7 +15,7 @@ and a curated selection of components:
 [pandoc-latex-environment]: https://github.com/chdemko/pandoc-latex-environment
 [Lua filters]: https://github.com/pandoc/lua-filters
 [pandoc-include]: https://github.com/DCsunset/pandoc-include
-[Tectonic]: tectonic-typesetting.github.io
+[Tectonic]: https://tectonic-typesetting.github.io
 
 [pandoc]: https://pandoc.org/
 [LaTeX]: https://latex-project.org/

docs/sections/other-images.md

@@ -15,6 +15,7 @@ The following pandoc images are available:
 
 [**pandoc/minimal**]: https://hub.docker.com/r/pandoc/minimal
 [**pandoc/core**]: https://hub.docker.com/r/pandoc/core
+[**pandoc/latex**]: https://hub.docker.com/r/pandoc/latex
 [**pandoc/extra**]: https://hub.docker.com/r/pandoc/extra
 [**pandoc/typst**]: https://hub.docker.com/r/pandoc/typst
 [Eisvogel template]: https://github.com/Wandmalfarbe/pandoc-latex-template