TF-RMM Release v0.1.0

This is the first external release of TF-RMM and provides a reference
implementation of Realm Management Monitor (RMM) as specified by the
RMM Beta0 specification[1].

The `docs/readme.rst` has more details about the project and
`docs/getting_started/getting-started.rst` has details on how to get
started with TF-RMM.

[1] https://developer.arm.com/documentation/den0137/1-0bet0/?lang=en

Signed-off-by: Soby Mathew <soby.mathew@arm.com>
Change-Id: I205ef14c015e4a37ae9ae1a64e4cd22eb8da746e
diff --git a/docs/index.rst b/docs/index.rst
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index 0000000..ec6bb6e
--- /dev/null
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@@ -0,0 +1,49 @@
+.. SPDX-License-Identifier: BSD-3-Clause
+.. SPDX-FileCopyrightText: Copyright TF-RMM Contributors.
+
+Realm Management Monitor Documentation
+=======================================
+
+.. raw:: html
+
+    <ul class="grid">
+        <li class="grid-item">
+            <a href="readme.html">
+                <img alt="" src="_static/images/rmm-introduction.png"/>
+                <h2>Introduction</h2>
+            </a>
+            <p>Introduction to the Realm Management Monitor Project.</p>
+        </li>
+        <li class="grid-item">
+            <a href="getting_started/index.html">
+               <img alt="" src="_static/images/rmm-documentation.png"/>
+               <h2>Getting Started</h2>
+            </a>
+            <p>Guide to set up development environment and evaluate RMM.</p>
+        </li>
+         <li class="grid-item">
+            <a href="process/index.html">
+               <img alt="" src="_static/images/rmm-documentation.png"/>
+               <h2>Process</h2>
+            </a>
+            <p>Process followed in the project and contribution guidelines.</p>
+        </li>
+        <li class="grid-item">
+            <a href="design/index.html">
+               <img alt="" src="_static/images/rmm-documentation.png"/>
+               <h2>Design</h2>
+            </a>
+            <p>Design documentation for RMM.</p>
+        </li>
+    </ul>
+
+.. toctree::
+   :maxdepth: 1
+   :hidden:
+
+   Home<self>
+   about/index
+   getting_started/index
+   process/index
+   design/index
+   glossary