feat: initial CLI structure

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

src/commands/init.js

@@ -0,0 +1,75 @@
+import fs from 'fs-extra';
+import path from 'path';
+import chalk from 'chalk';
+
+const PLUGIN_TEMPLATE = `/**
+ * {{name}} plugin
+ */
+
+/**
+ * Main plugin function - called on every message
+ * @param {Object} ctx - { msg, chat, api }
+ */
+export default async function {{name}}Plugin({ msg, chat, api }) {
+  // Your plugin logic here
+  // Return true to stop further processing
+  return false;
+}
+
+/**
+ * Optional setup function - called once on bot initialization
+ * @param {Object} api - API without message context
+ */
+export async function setup(api) {
+  // Initialize databases, schedules, etc.
+}
+
+/**
+ * Optional API exports for other plugins
+ */
+export const api = {
+  // Expose methods for other plugins
+};
+`;
+
+export async function initCommand(name, options) {
+  const pluginDir = path.resolve(name);
+
+  if (await fs.pathExists(pluginDir)) {
+    console.error(chalk.red(`❌ Directory "${name}" already exists`));
+    process.exit(1);
+  }
+
+  console.log(chalk.blue(`Creating plugin "${name}"...`));
+
+  await fs.ensureDir(pluginDir);
+
+  // Create manyplug.json
+  const manifest = {
+    name,
+    version: '1.0.0',
+    category: options.category || 'utility',
+    service: false,
+    description: '',
+    author: '',
+    dependencies: {}
+  };
+
+  await fs.writeJson(path.join(pluginDir, 'manyplug.json'), manifest, { spaces: 2 });
+
+  // Create index.js
+  const indexContent = PLUGIN_TEMPLATE.replace(/\{\{name\}\}/g, name);
+  await fs.writeFile(path.join(pluginDir, 'index.js'), indexContent);
+
+  // Create locale directory
+  await fs.ensureDir(path.join(pluginDir, 'locale'));
+  await fs.writeJson(
+    path.join(pluginDir, 'locale', 'pt.json'),
+    { plugin: { name } },
+    { spaces: 2 }
+  );
+
+  console.log(chalk.green(`✅ Plugin "${name}" created at ./${name}`));
+  console.log(chalk.gray(`   Category: ${options.category}`));
+  console.log(chalk.gray(`   Edit manyplug.json to add dependencies`));
+}