fix: readme example

plus no more trailing whitespaces

README.md

@@ -70,7 +70,7 @@ Somewhere in your vim config, put a snippet like this:
 lua << END
 local home = vim.fn.expand("~/zettelkasten")
 require('telekasten').setup({
-    home         = home
+    home         = home,
     dailies      = home .. '/' .. 'daily',
     weeklies     = home .. '/' .. 'weekly',
     templates    = home .. '/' .. 'templates',
@@ -303,4 +303,3 @@ hi tkHighlight ctermbg=yellow ctermfg=darkred cterm=bold
 Currently, the following things are hardcoded:
 - the file naming format for daily note files: `YYYY-MM-DD.ext` (e.g. `2021-11-21.md`)
 - the file naming format for weekly note files: `YYYY-Www.ext` (e.g. `2021-W46.md`)
-