Removes the provider setting and improves the Readme

Author: 王超

README-CN.md

@@ -158,10 +158,12 @@ module "redis" {
 本Module从版本v1.3.0开始已经移除掉如下的 provider 的显示设置：
 ```hcl
 provider "alicloud" {
-  profile                 = var.profile != "" ? var.profile : null
-  region                  = var.region != "" ? var.region : null
-  skip_region_validation  = var.skip_region_validation
-}
+  profile = var.profile != "" ? var.profile : null
+  shared_credentials_file = var.shared_credentials_file != "" ? var.shared_credentials_file : null
+  region = var.region != "" ? var.region : null
+  skip_region_validation = var.skip_region_validation
+  configuration_source = "terraform-alicloud-modules/redis"
+} 
 ```
 
 如果你依然想在Module中使用这个 provider 配置，你可以在调用Module的时候，指定一个特定的版本，比如 1.2.0:

README.md

@@ -163,10 +163,12 @@ From the version v1.3.0, the module has removed the following `provider` setting
 
 ```hcl
 provider "alicloud" {
-  profile                 = var.profile != "" ? var.profile : null
-  region                  = var.region != "" ? var.region : null
-  skip_region_validation  = var.skip_region_validation
-}
+  profile = var.profile != "" ? var.profile : null
+  shared_credentials_file = var.shared_credentials_file != "" ? var.shared_credentials_file : null
+  region = var.region != "" ? var.region : null
+  skip_region_validation = var.skip_region_validation
+  configuration_source = "terraform-alicloud-modules/redis"
+} 
 ```
 
 If you still want to use the `provider` setting to apply this module, you can specify a supported version, like 1.2.0: