Add the Common Workflow Language standard (#3902)

* Add the language for the Common Workflow Language standards

* add CWL grammer

* add MIT licensed CWL sample

* script/set-language-ids --update for CWL

lib/linguist/languages.yml

@@ -807,6 +807,19 @@ Common Lisp:
   codemirror_mode: commonlisp
   codemirror_mime_type: text/x-common-lisp
   language_id: 66
+Common Workflow Language:
+  alias: cwl
+  type: programming
+  ace_mode: yaml
+  codemirror_mode: yaml
+  codemirror_mime_type: text/x-yaml
+  extensions:
+  - ".cwl"
+  interpreters:
+  - cwl-runner
+  color: "#B5314C"
+  tm_scope: source.cwl
+  language_id: 988547172
 Component Pascal:
   type: programming
   color: "#B0CE4E"