add change for storage blob

Author: JackTn

specification/storage/Microsoft.BlobStroage/.editorconfig

@@ -0,0 +1,8 @@
+root = true
+
+[*]
+indent_size = 2
+indent_style = space
+end_of_line = lf
+insert_final_newline = true
+charset = utf-8

specification/storage/Microsoft.BlobStroage/client.tsp

@@ -0,0 +1,18 @@
+import "@azure-tools/typespec-client-generator-core";
+import "./main.tsp";
+
+using Azure.ClientGenerator.Core;
+using Storage.Blob;
+
+@@clientName(ContainerProperties.denyEncryptionScopeOverride,
+  "PreventEncryptionScopeOverride"
+);
+@@clientName(ContainerProperties.immutableStorageWithVersioningEnabled,
+  "IsImmutableStorageWithVersioningEnabled"
+);
+@@clientName(BlobPropertiesInternal.expiryTime, "ExpiresOn");
+@@clientName(BlobPropertiesInternal.sealed, "IsSealed");
+@@clientName(BlobPropertiesInternal.immutabilityPolicyUntilDate,
+  "ImmutabilityPolicyExpiresOn"
+);
+@@clientName(PremiumPageBlobAccessTierOptional.accessTier, "tier");

specification/storage/Microsoft.BlobStroage/main.tsp

@@ -0,0 +1,41 @@
+import "@typespec/rest";
+import "@typespec/versioning";
+import "@azure-tools/typespec-azure-core";
+import "./routes.tsp";
+
+using TypeSpec.Http;
+using TypeSpec.Rest;
+using TypeSpec.Versioning;
+using Azure.Core;
+
+@useAuth(
+  ApiKeyAuth<ApiKeyLocation.header, "api-key"> | OAuth2Auth<[
+    {
+      type: OAuth2FlowType.implicit,
+      authorizationUrl: "https://login.microsoftonline.com/common/oauth2/authorize",
+      scopes: ["https://storage.azure.com/.default"],
+    }
+  ]>
+)
+@service({
+  title: "Azure Storage Blob service",
+})
+@server(
+  "{endpoint}",
+  "The host name of the blob storage account, e.g. accountName.blob.core.windows.net",
+  {
+    @doc("The host name of the blob storage account, e.g. accountName.blob.core.windows.net")
+    endpoint: url,
+  }
+)
+@versioned(Versions)
+namespace Storage.Blob;
+
+#suppress "@azure-tools/typespec-azure-core/no-closed-literal-union" "Following standard typespec recommendation"
+#suppress "@azure-tools/typespec-azure-core/no-enum" "Following standard typespec recommendation"
+@doc("The Azure.Storage.Blob service versions.")
+enum Versions {
+  @doc("The 2021-12-02-preview version of the Azure.Storage.Blob service.")
+  @useDependency(Azure.Core.Versions.v1_0_Preview_2)
+  v2021_12_02: "2021-12-02",
+}