Major update of jquery.ime from upstream

Changes:
* New tilde-based layouts for several languages of Africa:
  Kabyle, Kabiye, Kikuyu, Luganda, Lingala, Malagasy,
  Northern Sotho, Koyraboro Senni, Sango, Sotho, Venda
* Latin Pinyin transliteration keyboard
  https://github.com/wikimedia/jquery.ime/pull/545
* CSS and JS cleanup, to switch to stylelint and eslint.

Updating to
22407cf992

Bug: T212637
Change-Id: I167e572a6cc0f7c1c727e87e8ff361d88f87b40f

lib/jquery.ime/rules/km/km-nidakyk.js

@@ -32,6 +32,11 @@
 			//       Make sure contextLength is large enough for
 			//       these rules.
 
+			// Khmer uses a lot of U+200B, zero width space,
+			// so ignore it in this file
+
+			/* eslint-disable no-irregular-whitespace */
+
 			// correction for two-part dependent vowels
 			[ '\u17c1a', 'e', '\u17c4' ], // ​េ + ​ា -> ​ោ (o)
 			[ '\u17b6e', 'a', '\u17c4' ], // ​ា + ​េ -> ​ោ (o)
@@ -210,6 +215,8 @@
 			[ 'q', 'ៜ' ],
 			[ 'w', '\u17dd' ], // ​៝
 
+			/* eslint-enable no-irregular-whitespace */
+
 			// divination signs (digits)
 			[ '\\!', '៱' ], // shift-1
 			[ '@', '៲' ], // shift-2