DOCSP-48367 Added relational-dbs for the tab directive (#649)

* Added relational-dbs for the tab directive

* Added relational-dbs directive

Author: nvillahermosa-mdb

snooty/rstspec.toml

@@ -374,6 +374,9 @@ inherit = "tabs"
 [directive.tabs-platforms]
 inherit = "tabs"
 
+[directive.tabs-relational-dbs]
+inherit = "tabs"
+
 [directive.tabs-drivers]
 inherit = "tabs"
 
@@ -1879,6 +1882,12 @@ platforms = [
   {id = "rhel", title = "RHEL/CentOS/SLES/AMZ"},
   {id = "linux", title = "Linux"},
 ]
+relational-dbs = [
+  {id = "mysql", title = "MySQL"},
+  {id = "oracle", title = "Oracle"},
+  {id = "postgres", title = "PostgreSQL"},
+  {id = "sql", title = "SQL Server"},
+]
 drivers = [
   {id = "atlas-api", title = "Atlas API"},
   {id = "atlas-cli", title = "Atlas CLI"},