Vscode-material-icon-theme: Reason support

[carlodicelico]

Support for Reason, Bucklescript and associated filetypes, like Merlin configuration files. See also Facebook's Reason repo's wiki article OCaml Ecosystem Extensions List

| extension | language |
| ---------- | ----------|
| *.re | Reason |
| *.rei | Reason interface |
| *.cmj | Bucklescript intermediate file |
| .merlin | Merlin configuration|

[PKief]

Is it ok for you if the icons will look like this?

[carlodicelico]

Those look awesome! 😎 Thank you so much!