syntax: Add the empty rules: [] to the files currently "missing" them

runtime/syntax/meson.yaml

@@ -34,11 +34,13 @@ rules:
     - comment:
         start: "#"
         end: "$"
+        rules: []
 
     # multiline strings do not support escape sequences
     - constant.string:
         start: "'''"
         end: "'''"
+        rules: []
 
     - constant.string:
         start: "'"

runtime/syntax/nftables.yaml

@@ -15,6 +15,7 @@ rules:
     - constant.string:
         start: "\""
         end: "\""
+        rules: []
       # Integer Constants
     - constant.number: "\\b([0-9]+)\\b"
     - constant.number: "\\b(0x[0-9a-fA-F]+)\\b"

runtime/syntax/ruby.yaml

@@ -25,6 +25,7 @@ rules:
     - constant:
         start: "[$]([!@&`'+~=/\\\\,;.<>*$?:\"_]|-[A-Za-z0-9_]|[0-9]+)"
         end: "\\B|\\b"
+        rules: []
     # Ruby "Symbols"
     - constant: "(i?)([ 	]|^):[0-9A-Z_]+\\b"
     - constant: "\\b(__FILE__|__LINE__)\\b"