Update README.md

README.md

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 # Houdini Tool Development Kit 
+
+## Tools
+#### Find Icon
+A tool to quickly find available icons.
+
+![Find Icon](/images/find_icon.png)
+
+#### Generate Code
+Applies `.asCode()` to selected nodes. Then copies the resulting code to the clipboard.
+
+#### Increment HDA Version
+Increments the HDA version of the selected node. You can select the version type (major, minor, build, etc.).
+
+![Increment HDA Version](/images/increment_hda_version.png)
+
+#### Show Node User Data
+Shows user data and cached user data of the selected node.
+
+![Show Node User Data](/images/show_node_user_data.png)