add banbanmini backend

talkingq-url/mysql/conf.d/my.cnf

@@ -0,0 +1,21 @@
+# Client配置
+[client]
+default-character-set = utf8mb4
+
+# MySQL命令行工具配置
+[mysql]
+default-character-set = utf8mb4
+
+# MySQL服务器配置
+[mysqld]
+# 基础设置
+host_cache_size = 0
+authentication_policy = caching_sha2_password
+pid-file = /var/lib/mysql/mysqld.pid
+tls_version = TLSv1.2,TLSv1.3
+
+# 字符集设置
+character-set-server = utf8mb4
+collation-server = utf8mb4_unicode_ci
+character-set-client-handshake = FALSE
+init_connect = 'SET NAMES utf8mb4'