Merge "TEIV: Update documnentation"

diff --cc pgsql-schema-generator/src/main/java/org/oran/smo/teiv/pgsqlgenerator/graphgenerator/EntityGraphGeneratorUml.java
index f8bad0d,54aa6f0..276edf5
--- 1/pgsql-schema-generator/src/main/java/org/oran/smo/teiv/pgsqlgenerator/graphgenerator/EntityGraphGeneratorUml.java
--- 2/pgsql-schema-generator/src/main/java/org/oran/smo/teiv/pgsqlgenerator/graphgenerator/EntityGraphGeneratorUml.java
+++ b/pgsql-schema-generator/src/main/java/org/oran/smo/teiv/pgsqlgenerator/graphgenerator/EntityGraphGeneratorUml.java
@@@ -67,12 -71,12 +71,12 @@@ public class EntityGraphGeneratorUml 
          StringBuilder sb = new StringBuilder();
          sb.append("@startuml\n");
          sb.append("skinparam class {\n");
-         sb.append("    BackgroundColor<<Entity>> LightGray\n");
+         sb.append("    BackgroundColor<<Entity>> " + helperFunctions.getNodeFillColour(moduleName) + " \n");
          sb.append("    BackgroundColor<<Module>> LightBlue\n");
          sb.append("}\n");
 -        sb.append(String.format("class %s <<Module>> {\n}\n", moduleName));
 +        sb.append(String.format("class %s <<Module>> {%n}%n", moduleName));
          for (Entity entity : entities) {
 -            sb.append(String.format("class %s <<Entity>> {\n", entity.getEntityName()));
 +            sb.append(String.format("class %s <<Entity>> {%n", entity.getEntityName()));
              List<Attribute> attributes = entity.getAttributes();
              for (Attribute attribute : attributes) {
                  sb.append(String.format("    %s : %s\n", attribute.getName(), attribute.getYangDataType()));