Merge branch 'master' into object_cors_update_test

Author: Codelax

docs/resources/instance_security_group_rules.md

@@ -119,6 +119,11 @@ The `inbound_rule` and `outbound_rule` block supports:
 
 - `port`- (Optional) The port this rule apply to. If no port is specified, rule will apply to all port.
 
+- `port_range`- Need terraform >= 0.13.0 (Optional) The port range (e.g `22-23`) this rule applies to.
+  Port range MUST comply the Scaleway-notation: interval between ports must be a power of 2 `2^X-1` number (e.g 2^13-1=8191 in port_range = "10000-18191").
+  If no `port` nor `port_range` are specified, rule will apply to all port.
+  Only one of `port` and `port_range` should be specified.
+
 - `ip`- (Optional) The ip this rule apply to. If no `ip` nor `ip_range` are specified, rule will apply to all ip. Only one of `ip` and `ip_range` should be specified.
 
 - `ip_range`- (Optional) The ip range (e.g `192.168.1.0/24`) this rule applies to. If no `ip` nor `ip_range` are specified, rule will apply to all ip. Only one of `ip` and `ip_range` should be specified.