update readme

README.md

@@ -37,7 +37,9 @@ psychology. This toolbox provides two modules.
     direction for improving ICC, which helps to guide optimization
     efforts for measurement of individual differences.
 
-See [**Tutorials**](https://github.com/TingsterX/Reliability_Explorer#tutorials) and Shiny App version:
+See
+[**Tutorials**](https://github.com/TingsterX/Reliability_Explorer#tutorials)
+and Shiny App version:
 <https://github.com/TingsterX/Reliability_Explorer>
 
 ## Installation ReX in R
@@ -58,26 +60,24 @@ dplyr, lme4, ggplot2, RColorBrewer, scales, stats, reshape2, colorspace,
 
 #### Pull docker image
 
-```
-docker pull tingsterx/rex:1.0.0
-```
+    docker pull tingsterx/rex:1.0.0
 
 #### Usage of command line in docker, run
-```
-docker run --rm \
-     -v /local/path/to/your/data:/input \
-     -v /local/path/to/your/output/:/output \
-     tingsterx/rex:1.0.0
-```
-The help messages and demo code are also [here](https://github.com/TingsterX/Reliability_Explorer/blob/main/rex_command_helper.md)
+
+    docker run --rm \
+         -v /local/path/to/your/data:/input \
+         -v /local/path/to/your/output/:/output \
+         tingsterx/rex:1.0.0
+
+The help messages and demo code are also
+[here](https://github.com/TingsterX/Reliability_Explorer/blob/main/rex_command_helper.md)
 
 #### Run R in docker
-```
-docker run -it --rm --entrypoint R \
-     -v /local/path/to/your/data:/input \
-     -v /local/path/to/your/output/:/output \
-     tingsterx/rex:1.0.0
-```
+
+    docker run -it --rm --entrypoint R \
+         -v /local/path/to/your/data:/input \
+         -v /local/path/to/your/output/:/output \
+         tingsterx/rex:1.0.0
 
 ## Example - Reliability Calculation module