feat(ft): add remind support (#315) (#316)

Docs: https://linux.die.net/man/1/remind

Author: kolja

lua/Comment/ft.lua

@@ -108,6 +108,7 @@ local L = setmetatable({
     r = { M.hash }, -- R doesn't have block comments
     readline = { M.hash },
     rego = { M.hash },
+    remind = { M.hash },
     ruby = { M.hash },
     rust = { M.cxx_l, M.cxx_b },
     scala = { M.cxx_l, M.cxx_b },