feat docs: minor fixes and polishings

Tests: протестировано CI

Author: apolukhin

README.md

@@ -35,8 +35,9 @@ or [Habr](https://habr.com/post/674902) (Russian).
 
 ## Other Features
 
-* Efficient asynchronous drivers for databases (MongoDB, PostgreSQL, Redis, ClickHouse, ...)
-  and data transfer protocols (HTTP, GRPC, AMQP 0-9-1 (EXPERIMENTAL), TCP, ...), tasks construction and
+* Efficient asynchronous drivers for databases (MongoDB, PostgreSQL, Redis,
+  ClickHouse, MySQL/MariaDB (experimental) ...) and data transfer protocols
+  (HTTP, GRPC, AMQP 0-9-1 (experimental), TCP, TLS ...), tasks construction and
   cancellation.
 * Rich set of high-level components for caches, tasks, distributed locking,
   logging, tracing, statistics, metrics, JSON/YAML/BSON.

scripts/docs/doxygen.conf

@@ -851,7 +851,7 @@ EXCLUDE_SYMBOLS        = impl detail
 # that contain example code fragments that are included (see the \include
 # command).
 
-EXAMPLE_PATH           = shared/src core/src core/testing/src core/functional_tests mongo/src mongo/functional_tests postgresql/src postgresql/functional_tests redis/src redis/functional_tests grpc/src clickhouse/src clickhouse/functional_tests rabbitmq/src mysql/src samples cmake testsuite
+EXAMPLE_PATH           = shared/src core/src core/testing/src core/functional_tests mongo/src mongo/functional_tests postgresql/src postgresql/functional_tests redis/src redis/functional_tests grpc/src grpc/functional_tests clickhouse/src clickhouse/functional_tests rabbitmq/src rabbitmq/functional_tests mysql/src mysql/functional_tests samples cmake testsuite
 
 # If the value of the EXAMPLE_PATH tag contains directories, you can use the
 # EXAMPLE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp and

scripts/docs/en/userver/framework_comparison.md

@@ -33,7 +33,7 @@ use ❌ and ❓ respectively.
 | Async Redis                       | ✔️ @ref md_en_userver_redis "[↗]"             | ± third-party driver   | ✔️ [[↗]][dapr-redis]         | ± third-party libs      | ✔️ [[↗]][drog-redis]         |
 | Async Mongo                       | ✔️ @ref md_en_userver_mongodb "[↗]"           | ± third-party driver   | ✔️ [[↗]][dapr-mongo]         | ❌ [manual offloading][acti-db] | ❌ [[↗]][drog-db]    |
 | Async ClickHouse                  | ✔️ @ref clickhouse_driver "[↗]"               | ± third-party driver   | ❌                            | ± third-party libs      | ❌ [[↗]][drog-db]            |
-| Async MySQL                       | ❌                                             | ± third-party driver   | ✔️ [[↗]][dapr-mysql]         | ❌ [[↗]][acti-db]      | ✔️ [[↗]][drog-db]            |
+| Async MySQL                       | ✔️ @ref mysql_driver                           | ± third-party driver   | ✔️ [[↗]][dapr-mysql]         | ❌ [[↗]][acti-db]      | ✔️ [[↗]][drog-db]            |
 | Metrics                           | ✔️ @ref md_en_userver_service_monitor "[↗]"   | ± third-party driver   | ✔️ [[↗]][dapr-configs]       | ❌                      | ❌                            |
 | No args evaluation for disabled logs | ✔️ @ref md_en_userver_logging "[↗]"        | ❌                      | ❌                            | ± third-party libs       | ❌                           |
 | Secrets Management                | ± @ref storages::secdist::SecdistConfig "[↗]"  | ❓                      | ✔️                            | ❓                      | ❓                          |