Add handling for optional FW_GITHUB_URL build arg (#50)

library.properties

@@ -1,5 +1,5 @@
 name=OXRS-SHA-Rack32-ESP32-LIB
-version=2.1.0
+version=2.2.0
 author=SuperHouse Automation Pty Ltd
 maintainer=Ben Jones <[email protected]>
 sentence=ESP32 Rack32 library for Open eXtensible Rack System firmware

src/OXRS_Rack32.cpp

@@ -102,10 +102,14 @@ void _getFirmwareJson(JsonVariant json)
 {
   JsonObject firmware = json.createNestedObject("firmware");
 
-  firmware["name"] = STRINGIFY(FW_NAME);
-  firmware["shortName"] = STRINGIFY(FW_SHORT_NAME);
-  firmware["maker"] = STRINGIFY(FW_MAKER);
+  firmware["name"] = FW_NAME;
+  firmware["shortName"] = FW_SHORT_NAME;
+  firmware["maker"] = FW_MAKER;
   firmware["version"] = STRINGIFY(FW_VERSION);
+
+#if defined(FW_GITHUB_URL)
+  firmware["githubUrl"] = FW_GITHUB_URL;
+#endif
 }
 
 void _getSystemJson(JsonVariant json)
@@ -153,7 +157,7 @@ void _getConfigSchemaJson(JsonVariant json)
 
   // Config schema metadata
   configSchema["$schema"] = JSON_SCHEMA_VERSION;
-  configSchema["title"] = STRINGIFY(FW_SHORT_NAME);
+  configSchema["title"] = FW_SHORT_NAME;
   configSchema["type"] = "object";
 
   JsonObject properties = configSchema.createNestedObject("properties");
@@ -211,7 +215,7 @@ void _getCommandSchemaJson(JsonVariant json)
 
   // Command schema metadata
   commandSchema["$schema"] = JSON_SCHEMA_VERSION;
-  commandSchema["title"] = STRINGIFY(FW_SHORT_NAME);
+  commandSchema["title"] = FW_SHORT_NAME;
   commandSchema["type"] = "object";
 
   JsonObject properties = commandSchema.createNestedObject("properties");
@@ -555,7 +559,7 @@ void OXRS_Rack32::_initialiseScreen(void)
   _screen.begin();
 
   // Display the firmware and logo (either from SPIFFS or PROGMEM)
-  int returnCode = _screen.drawHeader(STRINGIFY(FW_SHORT_NAME), STRINGIFY(FW_MAKER), STRINGIFY(FW_VERSION), "ESP32", _fwLogo);
+  int returnCode = _screen.drawHeader(FW_SHORT_NAME, FW_MAKER, STRINGIFY(FW_VERSION), "ESP32", _fwLogo);
 
   switch (returnCode)
   {