feat: initial CLI structure

- init: create plugin boilerplate
- install: install from local path with deps
- list: show installed plugins
- validate: check manyplug.json syntax

README.md

@@ -0,0 +1,61 @@
+# ManyPlug
+
+CLI plugin manager for ManyBot.
+
+## Install
+
+```bash
+npm install -g manyplug
+# or
+npm link  # for development
+```
+
+## Usage
+
+```bash
+# Create new plugin
+manyplug init my-plugin --category games
+
+# Install plugin from local path
+manyplug install --local ../my-plugin
+
+# List installed plugins
+manyplug list
+
+# Validate manyplug.json
+manyplug validate
+manyplug validate ./my-plugin
+```
+
+## Commands
+
+| Command | Description |
+|---------|-------------|
+| `init <name>` | Create new plugin boilerplate |
+| `install [name]` | Install from registry or `--local <path>` |
+| `list` | List installed plugins |
+| `validate [path]` | Validate manyplug.json |
+
+## Plugin Structure
+
+```
+my-plugin/
+├── manyplug.json     # Plugin metadata
+├── index.js          # Entry point
+└── locale/           # Translations
+    └── pt.json
+```
+
+### manyplug.json
+
+```json
+{
+  "name": "my-plugin",
+  "version": "1.0.0",
+  "category": "games",
+  "service": false,
+  "dependencies": {}
+}
+```
+
+**Categories:** games, media, utility, service, admin, fun