home: vim: add 'plugin' directory

home/vim/plugin/settings/pandoc.vim

@@ -0,0 +1,20 @@
+" Which code-block languages should I expect to be high-lighted.
+let g:pandoc#syntax#codeblocks#embeds#langs=[
+  \     "bash=sh",
+  \     "c",
+  \     "cpp",
+  \     "go",
+  \     "haskell",
+  \     "python",
+  \     "rust",
+  \     "sh",
+  \     "vim",
+  \     "yaml",
+  \     "tex",
+  \     "toml",
+  \     "perl",
+  \     "json",
+  \     "latex=tex",
+  \     "make",
+  \     "makefile=make",
+  \ ]