Update Nodes/String/Append

Nodes%2FString%2FAppend.md

@@ -1 +1,38 @@
-Append Node
+# 🧠 NODE: [NodeNameHere]
+
+---
+
+## 🔌 INPUT PORTS
+
+| Name        | Type       | Description                     |
+|-------------|------------|---------------------------------|
+| `exampleIn` | `float`    | What this input does :3         |
+| `imageTex`  | `Texture2D`| Input image for processing      |
+
+---
+
+## 📤 EXPORT PORTS
+
+| Name         | Type       | Description                      |
+|--------------|------------|----------------------------------|
+| `result`     | `Texture2D`| The processed output texture     |
+| `statusFlag` | `bool`     | Whether the operation succeeded  |
+
+---
+
+## 📝 DESCRIPTION
+
+The **[NodeNameHere]** node performs [describe what it does].  
+Use this when you want to [some use case, e.g., "blend two textures together", "extract edges", etc.].
+
+✨ This node is derived from `BaseImageNode`.
+
+---
+
+## ⚠️ KNOWN ISSUES
+
+- [ ] Sometimes crashes if input is `null`  
+- [ ] Preview window may not update immediately  
+- [ ] Limited support for custom shaders
+
+---