Create Kokoro TTS JavaScript library (#3)

* Set up JS project

* Finalise JS library

* Update README

* Fix package.json repository url

* Rename package -> `kokoro-js`

* Fix samples in README

* Cleanup README

* Bump `phonemizer` version

* Create web demo

* Run prettier

* Link to model used in demo

* Enable multithreading in HF space demo (~40% faster)

* Add link to demo in README

* Bump to v1.0.1

kokoro.js/tsconfig.json

@@ -0,0 +1,16 @@
+{
+  "include": ["src/**/*"],
+  "compilerOptions": {
+    "checkJs": true,
+    "target": "esnext",
+    "module": "nodenext",
+    "moduleResolution": "nodenext",
+    "outDir": "types",
+    "strict": false,
+    "skipLibCheck": true,
+    "declaration": true,
+    "declarationMap": true,
+    "noEmit": false,
+    "emitDeclarationOnly": true
+  }
+}