Update 49 files

• /.idea/.gitignore
• /.idea/compiler.xml
• /.idea/gradle.xml
• /.idea/jarRepositories.xml
• /.idea/misc.xml
• /.idea/modules.xml
• /.idea/secondhand disposal.iml
• /.idea/vcs.xml
• /second-hand-disposal-dev/gradle/wrapper/gradle-wrapper.jar
• /second-hand-disposal-dev/gradle/wrapper/gradle-wrapper.properties
• /second-hand-disposal-dev/src/main/resources/static/css/bootstrap - Copy.css
• /second-hand-disposal-dev/src/main/resources/static/css/bootstrap.min - Copy.css
• /second-hand-disposal-dev/src/main/resources/static/css/index.css
• /second-hand-disposal-dev/src/main/resources/static/css/itemList.css
• /second-hand-disposal-dev/src/main/resources/static/css/itemform.css
• /second-hand-disposal-dev/src/main/resources/static/css/reset.css
• /second-hand-disposal-dev/src/main/resources/static/css/style.css
• /second-hand-disposal-dev/src/main/resources/static/images/index-image-1.jpg
• /second-hand-disposal-dev/src/main/resources/static/images/index-image-2.jpg
• /second-hand-disposal-dev/src/main/resources/static/images/logo.jpg
• /second-hand-disposal-dev/src/main/resources/static/images/photo.jpg
• /second-hand-disposal-dev/src/main/resources/static/images/secondhandad.webp
• /second-hand-disposal-dev/src/main/resources/static/lib/bootstrap.js
• /second-hand-disposal-dev/src/main/resources/static/lib/jquery.js
• /second-hand-disposal-dev/src/main/resources/templates/css/bootstrap - Copy.css
• /second-hand-disposal-dev/src/main/resources/templates/css/bootstrap.min - Copy.css
• /second-hand-disposal-dev/src/main/resources/templates/lib/bootstrap.js
• /second-hand-disposal-dev/src/main/resources/templates/lib/jquery.js
• /second-hand-disposal-dev/src/main/resources/templates/page/groupList.html
• /second-hand-disposal-dev/src/main/resources/templates/page/index.html
• /second-hand-disposal-dev/src/main/resources/templates/page/itemDetail.html
• /second-hand-disposal-dev/src/main/resources/templates/page/itemForm.html
• /second-hand-disposal-dev/src/main/resources/templates/page/itemList.html
• /second-hand-disposal-dev/src/main/resources/templates/page/personalInformation.html
• /second-hand-disposal-dev/src/main/resources/static/login.html
• /second-hand-disposal-dev/src/main/resources/static/register.html
• /second-hand-disposal-dev/src/main/resources/application.properties
• /second-hand-disposal-dev/src/test/java/uk/ac/cf/spring/demo/DemoApplicationTests.java
• /second-hand-disposal-dev/src/main/java/uk/ac/cf/spring/demo/takeaway/index/ExchangeController.java
• /second-hand-disposal-dev/src/main/java/uk/ac/cf/spring/demo/takeaway/index/ExchangeItem.java
• /second-hand-disposal-dev/src/main/java/uk/ac/cf/spring/demo/takeaway/index/ExchangeService.java
• /second-hand-disposal-dev/src/main/java/uk/ac/cf/spring/demo/takeaway/index/IndexController.java
• /second-hand-disposal-dev/src/main/java/uk/ac/cf/spring/demo/DemoApplication.java
• /second-hand-disposal-dev/.gitattributes
• /second-hand-disposal-dev/.gitignore
• /second-hand-disposal-dev/build.gradle
• /second-hand-disposal-dev/gradlew
• /second-hand-disposal-dev/gradlew.bat
• /second-hand-disposal-dev/settings.gradle