Merge branch 'dev-practice-3' into 'master'

.idea/csv-plugin.xml

practice-3/.gitignore

practice-3/README.md

practice-3/build.gradle

practice-3/gradle/wrapper/gradle-wrapper.jar

practice-3/gradle/wrapper/gradle-wrapper.properties

practice-3/gradlew

practice-3/gradlew.bat

practice-3/images/homepage.png

practice-3/images/issue.png

practice-3/images/issuereport.png

practice-3/settings.gradle

...java/csui/advprog2021/practice3/Practice3Application.java

...vprog2021/practice3/quest/controller/QuestController.java

...ava/csui/advprog2021/practice3/quest/core/Adventurer.java

...ain/java/csui/advprog2021/practice3/quest/core/Guild.java

...ain/java/csui/advprog2021/practice3/quest/core/Quest.java

...vprog2021/practice3/quest/repository/QuestRepository.java

...sui/advprog2021/practice3/quest/service/GuildService.java

...advprog2021/practice3/quest/service/GuildServiceImpl.java