Update jquery.ime from upstream

Add Afrikaans and N'Ko keyboards.

Updating to
d660b6ec5d

Change-Id: Ic2ee78eae9701e20e301011eb2a780cb32c7eacf

lib/jquery.ime/rules/af/af-tilde.js

@@ -0,0 +1,24 @@
+( function ( $ ) {
+	'use strict';
+
+	var afTilde = {
+		id: 'af-tilde',
+		name: 'Afrikaans tilde',
+		description: 'Afrikaans tilde',
+		date: '2019-04-30',
+		URL: 'https://github.com/wikimedia/jquery.ime',
+		author: 'Amir E. Aharoni',
+		license: 'GPLv3',
+		version: '1.0',
+		maxKeyLength: 2,
+		patterns: [
+			[ "~\\'", '’' ], // Initial apostrophe
+			[ '~\\\\', '\u0300' ], // Combining grave accent
+			[ '~/', '\u0301' ], // Combining acute accent
+			[ '~\\^', '\u0302' ], // Combining circumflex accent
+			[ '~:', '\u0308' ] // Combining diaeresis
+		]
+	};
+
+	$.ime.register( afTilde );
+}( jQuery ) );