Overload constructor of recognizer, maximal debug configuration

usage/README.md

@@ -1,5 +1,5 @@
 # API interface
-## JS ```window``` object
+## JS' ```window``` object
 | Function signature | Description |
 |---|---|
 |```Promise<Module> loadBR()``` | Load Emscripten's Module |
@@ -13,9 +13,9 @@
 | Function signature | Description |
 |---|---|
 | ```Promise<Model> makeModel(path: string, url: string, id: string)```<br><br>```Promise<SpkModel> makeSpkModel(path: string, url: string, id: string)``` | Make a ```Model``` or ```SpkModel```, model files must be directly under the model root, and compressed model must be in .tgz format. If:<br>- **path** contains valid model files and **id** is the same, there will not be a fetch from **url**.<br>- **path** doesn't contain valid model files, or if it contains valid model files but **id** is different, there will be a fetch from **url**, and the model is stored with **id**.  |
-| ```Promise<Recognizer> makeRecognizer(model: Model, sampleRate: float)``` | Make a ```Recognizer```, it will use **model**'s thread if it's the first user of **model**, else it will use a new thread.
+| ```Promise<Recognizer> makeRecognizer(model: Model, sampleRate: float)```<br><br>```Promise<Recognizer> makeRecognizerWithSpkModel(model: Model, spkModel: spkModel, sampleRate: float)```<br><br>```Promise<Recognizer> makeRecognizerWithGrm(model: Model, grammar: string, sampleRate: float)``` | Make a ```Recognizer```, it will use **model**'s thread if it's the first user of **model**, else it will use a new thread. |
 | ```setLogLevel(lvl: int)``` | Set Vosk's log level (default: ```0```: Info) <br>```-2```: Error<br>```-1```: Warning<br>```1```: Verbose<br>```2```: More verbose<br>```3```: Debug |
-| ```cleanUp()``` | A convenience function that call ```delete()``` on all objects and revoke all URLs. You should put this at the end of your program! |
+| ```cleanUp()``` | A convenience function that call ```delete()``` on all objects and revoke all URLs. **Put this at the end of your code!** |
 
 ## ```Recognizer``` object 
 | Function signature | Description |
@@ -26,7 +26,7 @@
 | ```setWords(words: bool)``` | Return words' information in a result event (default: false) |
 | ```setNLSML(nlsml: bool)``` | Return result and partialResult in NLSML form (default: false) |
 | ```setMaxAlternatives(alts: int)``` | Set the max number of alternatives for result event (default: false) |
-| ```setGrm(grm: string)``` | Add grammar to the recognizer (default: none) |
+| ```setGrm(grm: string)``` | Set the grammar of the recognizer, override (default: none) |
 | ```setSpkModel(mdl: SpkModel)``` | Set the speaker model of the recognizer (default: none) |
 
 | Event | Description |