MDL-65896 core: create emoji picker

lang/en/moodle.php

@@ -727,6 +727,15 @@
 $string['emailtoprivatefiles'] = 'You can also e-mail files as attachments straight to your private files space. Simply attach your files to an e-mail and send it to {$a}';
 $string['emailtoprivatefilesdenied'] = 'Your administrator has disabled the option to upload your own private files.';
 $string['emailvia'] = '{$a->name} (via {$a->siteshortname})';
+$string['emojicategoryactivities'] = 'Activities';
+$string['emojicategoryanimalsnature'] = 'Animals & nature';
+$string['emojicategoryflags'] = 'Flags';
+$string['emojicategoryfooddrink'] = 'Food & drink';
+$string['emojicategoryobjects'] = 'Objects';
+$string['emojicategoryrecent'] = 'Recent';
+$string['emojicategorysmileyspeople'] = 'Smileys & people';
+$string['emojicategorysymbols'] = 'Symbols';
+$string['emojicategorytravelplaces'] = 'Travel & places';
 $string['emptydragdropregion'] = 'empty region';
 $string['enable'] = 'Enable';
 $string['encryptedcode'] = 'Encrypted code';