Mustache module for janet via mustach and cJSON, based on pymustach mustach bindings.
(import mustache)
(mustache/render "Hello, {{name}}!" "{\"name\": \"world\"}")
# --> "Hello, world!"
(mustache/render-file "Hello, {{name}}!" "{\"name\": \"world\"}" "hi.txt")
# --> nil, writes 'Hello, world!' to file 'hi.txt'