Added third options for opening issue nomenclature

Signed-off-by: Luca Favaretto <luca.favaretto@kalpa.it>

CONTRIBUTING.md

@@ -99,21 +99,21 @@ As a rule of thumb, anything that ends up compiled in the project documentation
 
 ## Nomenclature for new issue
 
-In Oniro Project, for the opening of a new `Issue::Bug` the team decided to adopt a common nomenclature to apply to the title of the new Issue. Depending on the scope to which the issue refers, two options are defined.
+In Oniro Project, for the opening of a new `Issue::Bug` the team decided to adopt a common nomenclature to apply to the title of the new Issue. Depending on the scope to which the issue refers, three options are defined.
 
 ### Option 1 - Board-related
 
 When the issue is opened related to a specific board, the parameters to be given are: Domain and Board.
 
-    [Maintenance][$BOARD] - $Title
-    [Network][$BOARD] - $Title
+    [MAINTENANCE][$BOARD] - $Title
+    [NETWORK][$BOARD] - $Title
     [OpenHarmony][$BOARD] - $Title
     [OTA][$BOARD] - $Title
-    [Security][$BOARD] - $Title
-    [Performance][$BOARD] - $Title
+    [SECURITY][$BOARD] - $Title
+    [PERFORMANCE][$BOARD] - $Title
     [HW][$BOARD] - $Title
-    [Toolchain][$BOARD] - $Title
-    [Miscellaneous][$BOARD] - $Title
+    [TOOLCHAIN][$BOARD] - $Title
+    [MISCELLANEOUS][$BOARD] - $Title
 
 Example:
     
@@ -138,6 +138,24 @@ Examples:
     [CATS - HW] - Black screen when flashing the image
     [ENERGY GATEWAY - OTA][Raspberry Pi 4B] - Can't upload the image via OTA
 
+### Option 3 - Domain related
+
+When the issue isn't opened related to a specific blueprint or board, the parameters to be given is Domain.
+
+    [MAINTENANCE] - $Title
+    [NETWORK] - $Title
+    [OpenHarmony] - $Title
+    [OTA] - $Title
+    [SECURITY] - $Title
+    [PERFORMANCE] - $Title
+    [HW] - $Title
+    [TOOLCHAIN] - $Title
+    [MISCELLANEOUS] - $Title
+
+Examples:
+    
+    [SECURITY] - Security configuration error on Linux Kernel
+
 # REUSE Compliance
 
 ## SPDX Information and REUSE Standard