feat: Create dialog area when run activity

Author: ByteAurora

src/main/kotlin/com/github/ilovegamecoding/intellijcodexp/activities/CodeXPStartupActivity.kt

@@ -1,5 +1,6 @@
 package com.github.ilovegamecoding.intellijcodexp.activities
 
+import com.github.ilovegamecoding.intellijcodexp.managers.CodeXPUIManager
 import com.github.ilovegamecoding.intellijcodexp.services.CodeXPService
 import com.intellij.openapi.application.ApplicationManager
 import com.intellij.openapi.project.Project
@@ -8,5 +9,6 @@ import com.intellij.openapi.startup.StartupActivity
 class CodeXPStartupActivity : StartupActivity {
     override fun runActivity(project: Project) {
         ApplicationManager.getApplication().getService(CodeXPService::class.java)
+        CodeXPUIManager.createDialogArea()
     }
 }