Revert "Replace House with Lexical"

app/javascript/controllers/paste_controller.js

@@ -0,0 +1,28 @@
+import { Controller } from "@hotwired/stimulus"
+
+export default class extends Controller {
+  pasteFiles(event) {
+    const editor = event.target.closest("house-md")
+    if (!editor) return
+    
+    const files = event.clipboardData?.files
+    if (!files?.length) return
+
+    event.preventDefault()
+
+    for (const file of files) {
+      const uploadEvent = new CustomEvent("house-md:before-upload", { 
+        bubbles: true, 
+        detail: { file },
+        cancelable: true 
+      })
+      
+      if (editor.dispatchEvent(uploadEvent)) {
+        const upload = document.createElement("house-md-upload")
+        upload.file = file
+        upload.uploadsURL = editor.dataset.uploadsUrl
+        editor.appendChild(upload)
+      }
+    }
+  }
+}