feat: TLS certificate file support

- NewConnectionDialog: TLS cert file selectors (CA/Cert/Key) + rejectUnauthorized checkbox
- connection.ts: read cert files and pass to ioredis tls options
- Add tlsRejectUnauthorized to all ConnectionConfig types
- i18n keys for tlsCaPath/tlsCertPath/tlsKeyPath/tlsRejectUnauthorized

src/i18n/locales/zh-CN.ts

@@ -30,6 +30,10 @@ export default {
     password: '密码',
     username: '用户名',
     tls: '启用 TLS',
+    tlsCaPath: 'CA 证书',
+    tlsCertPath: '客户端证书',
+    tlsKeyPath: '客户端私钥',
+    tlsRejectUnauthorized: '验证服务器证书',
     ssh: 'SSH 隧道',
     sshHost: 'SSH 主机',
     sshPort: 'SSH 端口',