style(ui): redesign new menu (#18)

- 2 mode classic (the old one) and modern
a2a17cab3a4bdf27abd2a956f9d53a0c4a685909
- add icon 3a11c7a6beb1dcf11e89977f380376fdea9fba89
- fix some bugs

tests/core/lookup_test.go

@@ -51,7 +51,7 @@ func TestLookup(t *testing.T) {
 			if tt.mustContain != "" {
 				found := false
 				for _, r := range results {
-					if strings.Contains(r.Cmd, tt.mustContain) {
+					if strings.Contains(r.Cmd, tt.mustContain) || strings.Contains(r.Desc, tt.mustContain) {
 						found = true
 						break
 					}