Add tilde ~ to jsDocParam for inner members (pangloss#1250)

Added a tilde to the jsDocParam syntax match to support jsdoc3 namepaths style (i.e. when creating a typedef for an inner member).
See https://jsdoc.app/tags-typedef.html

Co-authored-by: Jonathan Halchak <jonathan.halchack@annalect.com>

Author: jrhalchak

extras/jsdoc.vim

@@ -18,7 +18,8 @@ syntax region jsDocTypeRecord   contained start=/{/ end=/}/ contains=jsDocTypeRe
 syntax region jsDocTypeRecord   contained start=/\[/ end=/\]/ contains=jsDocTypeRecord extend
 syntax region jsDocTypeNoParam  contained start="{" end="}" oneline
 syntax match  jsDocTypeNoParam  contained "\%(#\|\"\|\w\|\.\|:\|\/\)\+"
-syntax match  jsDocParam        contained "\%(#\|\$\|-\|'\|\"\|{.\{-}}\|\w\|\.\|:\|\/\|\[.\{-}]\|=\)\+"
+syntax match  jsDocParam        contained "\%(#\|\$\|-\|'\|\"\|{.\{-}}\|\w\|\~\|\.\|:\|\/\|\[.\{-}]\|=\)\+"
+
 syntax region jsDocSeeTag       contained matchgroup=jsDocSeeTag start="{" end="}" contains=jsDocTags
 
 if version >= 508 || !exists("did_javascript_syn_inits")