feat: implemented the bloC design pattern issue #2374 (#3128)

* added bloC design pattern

* added bloC design pattern

* added Readme file

* fixed checkstyle warnings

* added tests for the ui

* fixed a test in MainTest file

* separating ui from main file and adding more tests

* added pom.xml plugins and properties and fixed readme.md

* fixed renaming problem and added context to main

* chsnged state class to record

* syncing changes for conflicts

* Revert "fixed conflicts"

* restored files

* renamed readme file and abstracted pom file

pom.xml

@@ -223,6 +223,7 @@
     <module>templateview</module>
     <module>money</module>
     <module>table-inheritance</module>
+      <module>bloc</module>
   </modules>
   <repositories>
     <repository>