Work out and document a dece cover letter style.

RENDER.md

@@ -25,3 +25,18 @@ pandoc \
 
 - `-f gfm` Assume README.md is written in GitHub-flavoured Markdown, ensuring consistent rendering as a PDF and as a repository's README.md
 - `-V pagestyle:empty` Drop page numbers
+
+### Formatting scratchpad
+
+Use this for cover letters: 
+
+pandoc \
+    -f gfm \
+    input.md \
+    -o output.pdf \
+    -V fontfamily=merriweather \
+    -V geometry:margin=0.8in \
+    -V pagestyle:empty \
+    -V fontfamilyoptions:light \
+    -V linestretch:1.5
+