Updating docs to show how to use the same local version and binary packages for Windows servers (#88)

* Update for using the same local version and binary packages for Windows servers.

* Query to get the version of R the server is currently using

* Additional details for proper configuration

* Minor fix

* Fixing the formatting

README.md

@@ -28,9 +28,21 @@ Download the latest release from https://github.com/microsoft/sqlmlutils/release
 
 Windows:
 
+To obtain the version of R your server is currently using, please use this query:
+```
+EXEC sp_execute_external_script
+    @language = N'R',
+    @script = N'
+        v = R.version
+        OutputDataSet = data.frame(rversion=paste0(v$major, ".", v$minor))',
+    @input_data_1 = N'select 1'
+WITH RESULT SETS ((rversion varchar(max)));
+```
+Get the version of R which the server is using and install it locally. Then, run the following commands with the same version of R. 
+
 From command prompt, run 
 ```
-R.exe -e "install.packages('odbc')"
+R.exe -e "install.packages('odbc', type='binary')"
 R.exe CMD INSTALL sqlmlutils_1.0.0.zip
 ```
 OR