Adding basic documentation

Author: Sebastian Machuca

README.rst

@@ -197,6 +197,10 @@ Or to install a specific release:
 
     pip install -U pymodbus==X.Y.Z
 
+You can also use Docker to run a local image with the package installed on the image:
+
+    docker pull riptideio/pymodbus
+
 Otherwise you can pull the trunk source and install from there::
 
     git clone git://github.com/riptideio/pymodbus.git

pymodbus/repl/client/README.md

@@ -15,6 +15,12 @@ Install pymodbus with repl support
 $ pip install pymodbus[repl] --upgrade
 ```
 
+## Docker
+Pull Docker image with everything installed
+
+`docker pull riptideio/pymodbus`
+
+
 ## Usage Instructions
 RTU and TCP are supported as of now
 
@@ -32,7 +38,9 @@ Commands:
   serial
   tcp
 
+# Or using a Docker run command instead
 
+✗ docker run -it riptideio/pymodbus pymodbus.console --help
 ```
 TCP Options
 

pymodbus/repl/server/README.md

@@ -19,6 +19,11 @@ Install `pymodbus` with the required dependencies
 
 `pip install pymodbus[repl]`
 
+## Docker
+Pull Docker image with everything installed
+
+`docker pull riptideio/pymodbus`
+
 ## Usage
 
 Invoke REPL server with `pymodbus.server run` command.
@@ -46,6 +51,12 @@ Invoke REPL server with `pymodbus.server run` command.
 ╰────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯
 ```
 
+If using the docker image, you can run all the same commands, prepending the `docker run` command. For example:
+
+```shell
+docker run -it riptideio/pymodbus pymodbus.server --help
+```
+
 ```shell
 ✗ pymodbus.server run --help