WIP: compiling to wasm (#512)
WIP: compiling to wasm (#512)

* First work to enable compile to wasm

* Added back fst-regex/mmap to mmap feature

* Removed fst-regex. Forced uuid version 0.7.2.

fulmicoton/tantivy,tantivy-search/tantivy,fulmicoton/tantivy,tantivy-search/tantivy,fulmicoton/tantivy