Support of SystemVerilog

lib/linguist/languages.yml

@@ -1653,6 +1653,14 @@ SuperCollider:
   lexer: Text only
   primary_extension: .scd
 
+SystemVerilog:
+  type: programming
+  color: "#"
+  lexer: systemverilog
+  primary_extension: .sv
+  extensions:
+  - .svh
+
 TOML:
   type: data
   primary_extension: .toml