docs: add readme describing kubectl gui plan

Co-authored-by: aider (openrouter/thinkingmachines/inkling-small:free) <aider@aider.chat>

README.md

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+# Kubectl Web GUI
+
+A local web-based GUI for kubectl.
+
+## Overview
+This app provides a lightweight local interface to manage Kubernetes clusters via kubectl.
+
+## Features
+- Choose Kubernetes context and namespace
+- Search resources: pods, nodes, PVCs, and others
+- Perform actions: describe, delete, view logs, and more
+
+## Tech Stack
+- Backend: Python
+- Frontend: Lightweight JavaScript
+
+## Plan
+- Build Python backend to execute kubectl commands and serve API
+- Create lightweight JavaScript frontend
+- Implement context/namespace selection
+- Add search and list views for pods, nodes, PVCs, etc.
+- Add action interfaces (describe, delete, logs, etc.)