Feat: Adds open_in_browser() command to open MR in browser

lua/gitlab/actions/miscellaneous.lua

@@ -0,0 +1,19 @@
+local state = require("gitlab.state")
+local M = {}
+
+M.open_in_browser = function()
+  local url = state.INFO.web_url
+  if url == nil then
+    vim.notify("Could not get Gitlab URL", vim.log.levels.ERROR)
+    return
+  end
+  if vim.fn.has("mac") == 1 then
+    vim.fn.jobstart({ "open", url })
+  elseif vim.fn.has("unix") == 1 then
+    vim.fn.jobstart({ "xdg-open", url })
+  else
+    vim.notify("Opening a Gitlab URL is not supported on this OS!", vim.log.levels.ERROR)
+  end
+end
+
+return M