[LORA] Improvements, change frequency, webUI, Oled support, add boards (#1742)

* [LORA] Capability to change LORA frequency and Add OLED

Merge of the 2 environments for TTGO V1

* Merge messages keys with upper level json

* Id as a sub topic

* Add display and state measures

* Add frequency configuration through WebUI

* Add parameters

* Add auto discovery

* Add node example for ttgo lora32 v1

* Add environments and fix scope

* Support for sync word as a byte

* Fix TX Power setting

* Add LoRa gateway description

* Add onlyknown filter

main/config_WebUI.h

@@ -34,7 +34,7 @@
 /*------------------- Optional Compiler Directives ----------------------*/
 
 #ifndef WEB_TEMPLATE_BUFFER_MAX_SIZE
-#  define WEB_TEMPLATE_BUFFER_MAX_SIZE 2000
+#  define WEB_TEMPLATE_BUFFER_MAX_SIZE 3000 // Max size of the template buffer
 #endif
 
 #ifndef DISPLAY_METRIC