Add syntax highlighting for wake in vim

doc/vim/ftdetect/wake.vim

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+au BufRead,BufNewFile *.wake set filetype=wake

doc/vim/syntax/wake.vim

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+" Vim syntax file
+" Language:    Wake
+" Maintainers: Jack Koenig
+" Last Change: 2019 January 9
+"   2018 October 23 : Initial Wake Syntax File
+"   2019 January 9  : Add highlighting for Types
+"   2019 January 9  : Add highlighting for raw strings
+
+if version < 600
+    syntax clear
+elseif exists("b:current_syntax")
+    finish
+endif
+
+" comments
+syn match lineComment "#.*"
+
+" Keywords
+" TODO Should important globals from prim.wake we marked keywords?
+syn keyword wakeKeyword if then else here global subscribe match data
+
+" definitions
+" TODO How can we handle `def x + y` = syntax?
+syn keyword wakeDef def publish nextgroup=wakeOperator,wakeLowerIdentifier skipwhite
+syn match wakeDefName "[^ =:;()[]\+" contained skipwhite
+syn match wakeOperator "[+-=$]\+" contained
+syn match wakeLowerIdentifier "[a-z][A-Za-z0-9_]*" contained
+syn match wakeUpperIdentifier "\<[A-Z][A-Za-z0-9_]*"
+
+" Strings
+" string literals with escapes
+syn region wakeString start=/\v"/ skip=/\v\\./ end=/\v"/ contains=wakeStringEscape
+syn match wakeStringEscape "\\[nrfvb\\\"]" contained
+syn region wakeRawString start=/\v'/ skip=/\v\\./ end=/\v'/
+
+"===== Links =====
+hi link wakeKeyword Keyword
+
+hi link lineComment Comment
+
+hi link wakeDef Keyword
+hi link wakeDefName Function
+hi link wakeLowerIdentifier Function
+hi link wakeOperator Function
+
+hi link wakeUpperIdentifier Type
+
+hi link wakeString String
+hi link wakeStringEscape Special
+hi link wakeRawString String
+