Add support for "midi" type

Author: waleedyaseen

CHANGELOG.md

@@ -11,6 +11,7 @@
 - Icons for script declarations.
 - Support for varclan and varclansetting.
 - Trigger support for shiftop and onclick variants.
+- Support for "midi" type.
 
 ### Changed
 

src/main/kotlin/io/runescript/plugin/ide/config/RsConfig.kt

@@ -19,6 +19,7 @@ object RsConfig {
         "seq",
         "stat",
         "synth",
+        "midi",
         "coord",
         "char",
         "fontmetrics",

src/main/kotlin/io/runescript/plugin/lang/psi/type/RsPrimitiveType.kt

@@ -8,6 +8,7 @@ enum class RsPrimitiveType(val literal: String, val referencable: Boolean = true
     SEQ("seq"),
     STAT("stat"),
     SYNTH("synth"),
+    MIDI("midi"),
     COORD("coord"),
     CHAR("char"),
     FONTMETRICS("fontmetrics"),