Initial 2021-05-01-preview version (#14855)

* Initial 2021-05-01-preview version

Initial version of unified Cognitive Services : Language pillar.

Co-authored-by: Chong Tang <chong.tang@microsoft.com>
Co-authored-by: Rohan Kulkarni <rokulka@microsoft.com>
Co-authored-by: Somi Reddy Satti <sosatti@microsoft.com>

* Add codeowners for Cognitive Language

Co-authored-by: Chong Tang <chong.tang@microsoft.com>
Co-authored-by: Rohan Kulkarni <rokulka@microsoft.com>
Co-authored-by: Somi Reddy Satti <sosatti@microsoft.com>

CODEOWNERS

@@ -13,6 +13,7 @@
 /specification/billing/ @wilcobmsft @asarkar84
 /specification/cdn/ @csmengwan @injyzarif @prakharsharma10
 /specification/cognitiveservices/ @felixwa @yangyuan
+/specification/cognitiveservices/Language @somigithub @rokulka @ChongTang @annatisch @heaths
 /specification/compute/ @bilaakpan-ms @sandido @dkulkarni-ms @haagha @madewithsmiles @MS-syh2qs @grizzlytheodore @hyonholee @mabhard @danielli90 @smotwani @ppatwa @vikramd-ms @savyasachisamal @yunusm @ZhidongPeng @nkuchta @maheshnemichand @najams @changov
 /specification/consumption/ @kjeur @panda-wang
 /specification/containerinstance/ @novinc

custom-words.txt

@@ -2209,6 +2209,8 @@ DOCM
 PPSX
 PPTM
 XLSM
-DOCM
 multislot
 Tebibytes
+MCLU
+questionanswering
+deepstack