remove default path when cliking on sidebar menus (#502)

change link to sources

add credits and some shape for readme

add cleargrass with air pressure and mi band

add PWA

add plugins

Add new boards

improve doc with boars and ble devices

docs/prerequisites/board.md

@@ -8,19 +8,29 @@ Or can actutate things (LED chipsets, relays).
 
 Here is some information to find the board suitable for your need, you have the choice between wifi, ethernet and off the shelves devices:
 
-Off the shelves wifi
-* SONOFF RF Bridge
-* Sonoff RFR3
-* Sonoff Basic
-* Wifi RF Gateway
+|Off the shelves wifi boards|RF|IR|BLE|LORA|GSM|Button|Relay|
+|-|:-:|:-:|:-:|:-:|:-:|:-:|:-:|
+|Sonoff RF Bridge (*) |X|[needs an hack](https://1technophile.blogspot.com/2018/02/adding-infrared-emitter-to-sonoff-rf.html)|-|-|-|-|-|
+|All bare ESP32|-|-|X|-|-|-|-|
+|M5Stack Basic|-|-|X|-|-|-|-|
+|M5Stick C|-|sending|X|-|-|X|X|
+|TTGO LORA32|-|-|-|X|-|-|-|
+|Sonoff RFR3|receiving [needs an hack](https://1technophile.blogspot.com/2019/08/new-sonoff-rfr3-as-433tomqtt-gateway.html)|-|-|-|-|X|X|
+|Sonoff Basic|-|-|-|-|-|X|X|
+|RF WIFI GATEWAY|[receiving](https://1technophile.blogspot.com/2019/09/hack-of-rf-wifi-gateway-usb-stick.html)|-|-|-|-|-|-|
+
+'(*)' *So as to extend the number of RF protocols supported by the Sonoff RF Bridge you can apply an [hardware hack](https://1technophile.blogspot.com/2019/04/sonoff-rf-bridge-pilight-or-how-to.html), this way you will be able to use Pilight or RF2 gateway.*
 
 ![boards](../img/OpenMQTTGateway_boards_sonoff.png)
 
-Wifi/Ethernet:
-* ESP8266
-* ESP32
-* Arduino Mega with an ethernet shield
-* Arduino Uno with an ethernet shield
+|DIY boards|RF|IR|BLE|LORA|GSM|Button|Relay|
+|-|:-:|:-:|:-:|:-:|:-:|:-:|:-:|
+|Arduino UNO|X|X(limited compared to ESP)|X|-|X|X|
+|Arduino MEGA|X|X(limited compared to ESP)|X|-|-|X|X|
+|ESP32|X|X|X|X|not tested|X|X|
+|ESP8266|X|X|X|not tested|X|X|X|
+
+*Note that Pilight is only supported on ESP for the moment.*
 
 ![boards](../img/OpenMQTTGateway_boards.png)