[FAB-10340] Fix broken link in chaincode-docker-devmode

This CR fixes broken links to the install manual
in fabric-samples/chaincode-docker-devmode/README.rst.
The style is also updated to follow the style of rst.

Change-Id: I9bbb6e0b88b8aabf8e020bb81756f4619115989c
Signed-off-by: Yuki Kondo <yuki.kondo@hal.hitachi.com>

chaincode-docker-devmode/README.rst

@@ -13,7 +13,7 @@ of compiling chaincode and driving calls.
 Install Fabric Samples
 ----------------------
 
-If you haven't already done so, please install the doc [samples](http://hyperledger-fabric.readthedocs.io/en/latest/samples.html).
+If you haven't already done so, please `install samples <http://hyperledger-fabric.readthedocs.io/en/latest/install.html>`_.
 
 Navigate to the ``chaincode-docker-devmode`` directory of the ``fabric-samples``
 clone:
@@ -27,7 +27,7 @@ Download docker images
 
 We need four docker images in order for "dev mode" to run against the supplied
 docker compose script. If you installed the ``fabric-samples`` repo clone and
-followed the instructions to [download-platform-specific-binaries](http://hyperledger-fabric.readthedocs.io/en/latest/samples.html#download-platform-specific-binaries), then
+followed the instructions to `install samples, binaries and docker images <http://hyperledger-fabric.readthedocs.io/en/latest/install.html>`_, then
 you should have the necessary Docker images installed locally.
 
 .. note:: If you choose to manually pull the images then you must retag them as
@@ -49,7 +49,7 @@ should see something similar to following:
  hyperledger/fabric-ccenv latest 82489d1c11e8 9 days ago 1.35 GB
  hyperledger/fabric-ccenv x86_64-1.1.0-preview 82489d1c11e8 9 days ago 1.35 GB
 
-.. note:: If you retrieved the images through the [download-platform-specific-binaries](http://hyperledger-fabric.readthedocs.io/en/latest/samples.html#download-platform-specific-binaries),
+.. note:: If you retrieved the images through the `install samples, binaries and docker images <http://hyperledger-fabric.readthedocs.io/en/latest/install.html>`_,
  then you will see additional images listed. However, we are only concerned with
  these four.