Add documentation for mc put `--storage-class (#1482)

Adding documentation for additional parameter of `mc put` subcommand.
fix #1481

---------

Co-authored-by: Andrea Longo <feorlen@users.noreply.github.com>

Author: molivier

source/reference/minio-mc/mc-put.rst

@@ -44,16 +44,17 @@ The :mc:`mc put` uploads an object from the local file system to a bucket on a t
       .. code-block:: shell
          :class: copyable
 
-         mc [GLOBALFLAGS] put                      \
-                          TARGET                   \
-                          [--checksum value]       \
-                          [--disable-multipart]    \
-                          [--enc-kms value]        \
-                          [--enc-s3 value]         \
-                          [--enc-c value]          \
-                          [--if-not-exists]        \
-                          [--parallel, -P integer] \
-                          [--part-size, -s string]
+         mc [GLOBALFLAGS] put                            \
+                          TARGET                         \
+                          [--checksum value]             \
+                          [--disable-multipart]          \
+                          [--enc-kms value]              \
+                          [--enc-s3 value]               \
+                          [--enc-c value]                \
+                          [--if-not-exists]              \
+                          [--parallel, -P integer]       \
+                          [--part-size, -s string]       \
+                          [--storage-class, -sc string]
 
       .. include:: /includes/common-minio-mc.rst
          :start-after: start-minio-syntax
@@ -122,6 +123,13 @@ Parameters
 
    If not defined, defaults to a value of ``16MiB``.
 
+.. mc-cmd:: --storage-class, -sc
+   :optional:
+
+   Set the storage class for the uploaded object.
+
+   See :ref:`Standard Storage Class <minio-ec-storage-class-standard>` for more about storage classes.
+
 
 Global Flags
 ~~~~~~~~~~~~

source/reference/minio-server/settings/storage-class.rst

@@ -22,6 +22,8 @@ This impacts how MinIO uses the space on the drive(s) and how MinIO can recover
    :start-after: start-minio-settings-test-before-prod
    :end-before: end-minio-settings-test-before-prod
 
+.. _minio-ec-storage-class-standard:
+
 Standard Storage Class
 ----------------------