Feat: Adds More Information to Summary Panel (#100)

This MR adds more information into the summary view, including the MR author, created at date, merge status, draft status, conflicts, and pipeline status, among other things. This is configurable via the setup function.

lua/gitlab/spec/util_spec.lua

@@ -178,4 +178,38 @@ describe("utils/init.lua", function()
       assert.are.same(got, want)
     end)
   end)
+
+  describe("offset_to_seconds", function()
+    local tests = {
+      est = { "-0500", -18000 },
+      pst = { "-0800", -28800 },
+      gmt = { "+0000", 0 },
+      cet = { "+0100", 360 },
+      jst = { "+0900", 32400 },
+      ist = { "+0530", 19800 },
+      art = { "-0300", -10800 },
+      aest = { "+1100", 39600 },
+      mmt = { "+0630", 23400 },
+    }
+
+    for _, val in ipairs(tests) do
+      local got = u.offset_to_seconds(val[1])
+      local want = val[2]
+      assert.are.same(got, want)
+    end
+  end)
+
+  describe("format_to_local", function()
+    local tests = {
+      { "2023-10-28T16:25:09.482Z", "-0500", "10/28/2023 at 11:25" },
+      { "2016-11-22T1:25:09.482Z", "-0500", "11/21/2016 at 20:25" },
+      { "2016-11-22T1:25:09.482Z", "-0000", "11/22/2016 at 01:25" },
+      { "2017-3-22T13:25:09.482Z", "+0700", "03/22/2017 at 20:25" },
+    }
+    for _, val in ipairs(tests) do
+      local got = u.format_to_local(val[1], val[2])
+      local want = val[3]
+      assert.are.same(got, want)
+    end
+  end)
 end)