support the rest of dbbrain data source (#1886)

* support dbbrain rest of data source

* add changelog and doc

* adjust e2e case

Author: lyu571

.changelog/1886.txt

@@ -0,0 +1,19 @@
+```release-note:new-data-source
+tencentcloud_dbbrain_diag_db_instances
+```
+
+```release-note:new-data-source
+tencentcloud_dbbrain_mysql_process_list
+```
+
+```release-note:new-data-source
+tencentcloud_dbbrain_no_primary_key_tables
+```
+
+```release-note:new-data-source
+tencentcloud_dbbrain_redis_top_big_keys
+```
+
+```release-note:new-data-source
+tencentcloud_dbbrain_redis_top_key_prefix_list
+```

tencentcloud/basic_test.go

@@ -858,6 +858,14 @@ locals {
 }
 `
 
+// ref with `local.redis_id`
+const CommonPresetRedis = `
+locals {
+  redis_id = "crs-jf4ico4v"
+  redis_name = "Keep-terraform"
+}
+`
+
 // End of DCDB
 // SES
 const (