Treat *.ml{i} in Linguist as OCaml

Summary: Pull Request resolved: #8950

Reviewed By: mroch

Differential Revision: D41444463

Pulled By: SamChou19815

fbshipit-source-id: 0c7bfb1e629c9217c10b99311301dee8c36f5ba7

Author: kevinji

.gitattributes

@@ -2,6 +2,8 @@
 * text eol=lf
 *.png binary
 *.gif binary
+*.ml linguist-language=OCaml
+*.mli linguist-language=OCaml
 
 src/parser/test/esprima/JSX/multiline-crlf-text.js binary
 src/parser/test/esprima/comment/migrated_0011.js binary