feat: support WRN imports and dynamic public shell

editors/vscode/syntaxes/wrn.tmLanguage.json

@@ -6,6 +6,9 @@
     {
       "include": "#comments"
     },
+    {
+      "include": "#imports"
+    },
     {
       "include": "#declaration"
     },
@@ -14,6 +17,21 @@
     }
   ],
   "repository": {
+    "imports": {
+      "begin": "^\\s*(import)\\b",
+      "beginCaptures": {
+        "1": {
+          "name": "keyword.control.import.ts"
+        }
+      },
+      "end": ";|$",
+      "name": "meta.import.wrn",
+      "patterns": [
+        {
+          "include": "source.ts"
+        }
+      ]
+    },
     "comments": {
       "patterns": [
         {