Add SPDX headers to markdown files

Various documents had no license or copyright information. Add the same
copyright and license used by the Go files.

Added using:

    $ reuse addheader \
        --copyright 'The RamenDR authors' \
        --exclude-year \
        --license Apache-2.0 \
        --template ramen \
        `git ls-files | grep '.md$'

Signed-off-by: Nir Soffer <[email protected]>

CONTRIBUTING.md

@@ -1,3 +1,8 @@
+<!--
+SPDX-FileCopyrightText: The RamenDR authors
+SPDX-License-Identifier: Apache-2.0
+-->
+
 # How to Contribute
 
 The Ramen project in under [Apache 2.0 license](LICENSES/Apache-2.0.txt).

README.md

@@ -1,3 +1,8 @@
+<!--
+SPDX-FileCopyrightText: The RamenDR authors
+SPDX-License-Identifier: Apache-2.0
+-->
+
 # Ramen
 
 Ramen is an [open-cluster-management (OCM)](https://open-cluster-management.io/concepts/architecture/)

docs/configure.md

@@ -1,3 +1,8 @@
+<!--
+SPDX-FileCopyrightText: The RamenDR authors
+SPDX-License-Identifier: Apache-2.0
+-->
+
 # Configure
 
 ## **Under construction**

docs/design/VRG-TypeSequence.md

@@ -1,3 +1,8 @@
+<!--
+SPDX-FileCopyrightText: The RamenDR authors
+SPDX-License-Identifier: Apache-2.0
+-->
+
 # VRG Type Sequence
 
 ## Overview

docs/design/proposals/VRG-Reconciliation.md

@@ -1,3 +1,8 @@
+<!--
+SPDX-FileCopyrightText: The RamenDR authors
+SPDX-License-Identifier: Apache-2.0
+-->
+
 # VRG reconciler workflow
 
 This design document covers the VRG CRD and its reconciliation workflow.

docs/drpc-crd.md

@@ -1,3 +1,8 @@
+<!--
+SPDX-FileCopyrightText: The RamenDR authors
+SPDX-License-Identifier: Apache-2.0
+-->
+
 # DRPlacementControl(drpc) CRD
 
 ## **Under construction**

docs/drpolicy-crd.md

@@ -1,3 +1,8 @@
+<!--
+SPDX-FileCopyrightText: The RamenDR authors
+SPDX-License-Identifier: Apache-2.0
+-->
+
 # DRPolicy CRD
 
 ## **Under construction**

docs/install.md

@@ -1,3 +1,8 @@
+<!--
+SPDX-FileCopyrightText: The RamenDR authors
+SPDX-License-Identifier: Apache-2.0
+-->
+
 # Install
 
 ## Prerequisites

docs/krp.md

@@ -1,3 +1,8 @@
+<!--
+SPDX-FileCopyrightText: The RamenDR authors
+SPDX-License-Identifier: Apache-2.0
+-->
+
 # Kubernetes Resource Protection
 
 ## Overview

docs/metrics.md

@@ -1,3 +1,8 @@
+<!--
+SPDX-FileCopyrightText: The RamenDR authors
+SPDX-License-Identifier: Apache-2.0
+-->
+
 # Metrics
 
 Metrics are collected using Prometheus, and registered with its global metrics

docs/motivation.md

@@ -1,3 +1,8 @@
+<!--
+SPDX-FileCopyrightText: The RamenDR authors
+SPDX-License-Identifier: Apache-2.0
+-->
+
 # Motivation
 
 ## **Under Construction**

docs/testing.md

@@ -1,3 +1,8 @@
+<!--
+SPDX-FileCopyrightText: The RamenDR authors
+SPDX-License-Identifier: Apache-2.0
+-->
+
 # Testing
 
 ## **Under construction**

docs/usage.md

@@ -1,3 +1,8 @@
+<!--
+SPDX-FileCopyrightText: The RamenDR authors
+SPDX-License-Identifier: Apache-2.0
+-->
+
 # Sample workload management using Ramen
 
 ## **Under construction**

docs/vrg-crd.md

@@ -1,3 +1,8 @@
+<!--
+SPDX-FileCopyrightText: The RamenDR authors
+SPDX-License-Identifier: Apache-2.0
+-->
+
 # VolumeReplicationGroup(VRG) CRD
 
 ## **Under construction**

docs/vrg-usage.md

@@ -1,3 +1,8 @@
+<!--
+SPDX-FileCopyrightText: The RamenDR authors
+SPDX-License-Identifier: Apache-2.0
+-->
+
 # Volume Replication Group (VRG) usage
 
 ## Protect application on cluster1

examples/managedclusterview/README.md

@@ -1,3 +1,8 @@
+<!--
+SPDX-FileCopyrightText: The RamenDR authors
+SPDX-License-Identifier: Apache-2.0
+-->
+
 # ManagedClusterView
 
 ## Usage Description

hack/README.md

@@ -1,3 +1,8 @@
+<!--
+SPDX-FileCopyrightText: The RamenDR authors
+SPDX-License-Identifier: Apache-2.0
+-->
+
 # hack/
 
 ## minikube-ramen.sh