update README.md for torch 1.7 installation (#642)

* update README.md for torch 1.7 installation

* add cuda 11.0
Co-authored-by: Kai Chen <chenkaidev@gmail.com>

README.md

@@ -56,9 +56,25 @@ We provide pre-built mmcv packages (recommended) with different PyTorch and CUDA
 
 <table class="docutils">
   <tbody>
-    <tr><th width="80"> CUDA </th><th valign="bottom" align="left" width="100">torch 1.6</th><th valign="bottom" align="left" width="100">torch 1.5</th><th valign="bottom" align="left" width="100">torch 1.4</th><th valign="bottom" align="left" width="100">torch 1.3</th></tr>
+    <tr>
+      <th width="80"> CUDA </th>
+      <th valign="bottom" align="left" width="100">torch 1.7</th>
+      <th valign="bottom" align="left" width="100">torch 1.6</th>
+      <th valign="bottom" align="left" width="100">torch 1.5</th>
+      <th valign="bottom" align="left" width="100">torch 1.4</th>
+      <th valign="bottom" align="left" width="100">torch 1.3</th>
+    </tr>
+    <tr>
+      <td align="left">11.0</td>
+      <td align="left"><details><summary> install </summary><pre><code>pip install mmcv-full==latest+torch1.7.0+cu110 -f https://download.openmmlab.com/mmcv/dist/index.html</code></pre> </details> </td>
+      <td align="left"> </td>
+      <td align="left"> </td>
+      <td align="left"> </td>
+      <td align="left"> </td>
+    </tr>
     <tr>
       <td align="left">10.2</td>
+      <td align="left"><details><summary> install </summary><pre><code>pip install mmcv-full==latest+torch1.7.0+cu102 -f https://download.openmmlab.com/mmcv/dist/index.html</code></pre> </details> </td>
       <td align="left"><details><summary> install </summary><pre><code>pip install mmcv-full==latest+torch1.6.0+cu102 -f https://download.openmmlab.com/mmcv/dist/index.html</code></pre> </details> </td>
       <td align="left"><details><summary> install </summary><pre><code>pip install mmcv-full==latest+torch1.5.0+cu102 -f https://download.openmmlab.com/mmcv/dist/index.html</code></pre> </details> </td>
       <td align="left"> </td>
@@ -66,6 +82,7 @@ We provide pre-built mmcv packages (recommended) with different PyTorch and CUDA
     </tr>
     <tr>
       <td align="left">10.1</td>
+      <td align="left"><details><summary> install </summary><pre><code> pip install mmcv-full==latest+torch1.7.0+cu101 -f https://download.openmmlab.com/mmcv/dist/index.html</code></pre> </details> </td>
       <td align="left"><details><summary> install </summary><pre><code> pip install mmcv-full==latest+torch1.6.0+cu101 -f https://download.openmmlab.com/mmcv/dist/index.html</code></pre> </details> </td>
       <td align="left"><details><summary> install </summary><pre><code> pip install mmcv-full==latest+torch1.5.0+cu101 -f https://download.openmmlab.com/mmcv/dist/index.html</code></pre> </details> </td>
       <td align="left"><details><summary> install </summary><pre><code>pip install mmcv-full==latest+torch1.4.0+cu101 -f https://download.openmmlab.com/mmcv/dist/index.html</code></pre> </details> </td>
@@ -73,6 +90,7 @@ We provide pre-built mmcv packages (recommended) with different PyTorch and CUDA
     </tr>
     <tr>
       <td align="left">9.2</td>
+      <td align="left"><details><summary> install </summary><pre><code> pip install mmcv-full==latest+torch1.7.0+cu92 -f https://download.openmmlab.com/mmcv/dist/index.html</code></pre> </details> </td>
       <td align="left"><details><summary> install </summary><pre><code> pip install mmcv-full==latest+torch1.6.0+cu92 -f https://download.openmmlab.com/mmcv/dist/index.html</code></pre> </details> </td>
       <td align="left"><details><summary> install </summary><pre><code> pip install mmcv-full==latest+torch1.5.0+cu92 -f https://download.openmmlab.com/mmcv/dist/index.html</code></pre> </details> </td>
       <td align="left"><details><summary> install </summary><pre><code>pip install mmcv-full==latest+torch1.4.0+cu92 -f https://download.openmmlab.com/mmcv/dist/index.html</code></pre> </details> </td>
@@ -80,6 +98,7 @@ We provide pre-built mmcv packages (recommended) with different PyTorch and CUDA
     </tr>
     <tr>
       <td align="left">cpu</td>
+      <td align="left"><details><summary> install </summary><pre><code> pip install mmcv-full==latest+torch1.7.0+cpu -f https://download.openmmlab.com/mmcv/dist/index.html</code></pre> </details> </td>
       <td align="left"><details><summary> install </summary><pre><code> pip install mmcv-full==latest+torch1.6.0+cpu -f https://download.openmmlab.com/mmcv/dist/index.html</code></pre> </details> </td>
       <td align="left"><details><summary> install </summary><pre><code> pip install mmcv-full==latest+torch1.5.0+cpu -f https://download.openmmlab.com/mmcv/dist/index.html</code></pre> </details> </td>
       <td align="left"><details><summary> install </summary><pre><code>pip install mmcv-full==latest+torch1.4.0+cpu -f https://download.openmmlab.com/mmcv/dist/index.html</code></pre> </details> </td>