Remove main field for PR validation, bump to v1.0.4

Author: camadkins

manifest.json

@@ -1,11 +1,10 @@
 {
-	"id": "canvas-connect",
-	"name": "Canvas Connect",
-	"version": "1.0.3",
-	"minAppVersion": "1.5.0",
-	"description": "Automatically updates Canvas connection anchors based on node position, with smart routing and visual feedback.",
-	"author": "camadkins",
-	"authorUrl": "https://github.com/camadkins",
-	"main": "main.js",
-	"isDesktopOnly": false
+  "id": "canvas-connect",
+  "name": "Canvas Connect",
+  "version": "1.0.4",
+  "minAppVersion": "1.5.0",
+  "description": "Automatically updates Canvas connection anchors based on node position, with smart routing and visual feedback.",
+  "author": "camadkins",
+  "authorUrl": "https://github.com/camadkins",
+  "isDesktopOnly": false
 }