Feat: Add reviewers to summary metadata (#121)

This commit adds reviewers to the metadata panel of the Summary popup. Thank you Jakub Bortlik!

README.md

@@ -119,7 +119,7 @@ require("gitlab").setup({
     exit = "<Esc>",
     perform_action = "<leader>s", -- Once in normal mode, does action (like saving comment or editing description, etc)
     perform_linewise_action = "<leader>l", -- Once in normal mode, does the linewise action (see logs for this job, etc)
-},
+  },
   discussion_tree = { -- The discussion tree that holds all comments
     blacklist = {}, -- List of usernames to remove from tree (bots, CI, etc)
     jump_to_file = "o", -- Jump to comment location in file
@@ -146,6 +146,7 @@ require("gitlab").setup({
       "draft",
       "conflicts",
       "assignees",
+      "reviewers",
       "branch",
       "pipeline",
     },