Update html layout

- add messages fragment
  - extract error and success message list from edit.html
  - extract error message list from create.html
  - add messages.html

- update edit account
  - update AccountController
    - update postEditAccount for validation
    - update getEditAccount for roleGroups
  - update validation for AccountForm for edit
  - add EditGroup
  - update Account.Response.toAccountForm()
  - update edit.html

- update create account
  - update AccountController
    - update postCreateAccount for validation
    - update getCreateAccount for role group
  - add validation to AccountForm
  - add PasswordMatchValidator
  - add annotation PasswordMatch
  - add CreateGroup
  - add temporary getRoles() in AccountRegistryService
  - update AccountForm.toAccountRequest() in Mapping
  - change management.css
    - add ::selection
    - add Selected Option Styling
  - add passwordMatchCheck to management.js
  - update create.html

- update user
  - add makeLocalTime in management.js
  - update users.html
  - update Pagination
    - add size of items
    - rename size to show

- update goodbye.html

- update logout.html

- update login.html

- update welcome.html

- update index.html

- update layout
  - update management.css
  - update management.js
  - update layout.html

src/main/kotlin/ltd/hlaeja/form/AccountForm.kt

@@ -1,9 +1,19 @@
 package ltd.hlaeja.form
 
+import jakarta.validation.constraints.NotEmpty
+import ltd.hlaeja.controller.validation.CreateGroup
+import ltd.hlaeja.controller.validation.EditGroup
+import ltd.hlaeja.controller.validation.PasswordMatch
+
+@PasswordMatch(groups = [CreateGroup::class, EditGroup::class])
 data class AccountForm(
-    val username: String,
-    val role: String,
-    val enabled: Boolean = false,
-    val password: CharSequence? = null,
-    val passwordConfirm: CharSequence? = null,
+    @field:NotEmpty(message = "Username cannot be empty", groups = [CreateGroup::class, EditGroup::class])
+    var username: String,
+    @field:NotEmpty(message = "At least one role must be selected", groups = [CreateGroup::class, EditGroup::class])
+    var roles: List<String> = emptyList(),
+    var enabled: Boolean = false,
+    @field:NotEmpty(message = "Password cannot be empty", groups = [CreateGroup::class])
+    var password: CharSequence? = null,
+    @field:NotEmpty(message = "Password confirmation cannot be empty", groups = [CreateGroup::class])
+    var passwordConfirm: CharSequence? = null,
 )