added basic edit account

- add link in to edit a user in users.html
- change to AccountController
  - update getCreateAccount for change to AccountForm
  - add getEditAccount
- add edit.html
- change to Mapping.kt
  - update AccountForm toAccountRequest to throw exception if password null
  - add Account Response toAccountForm
- change password and passwordConfirm to be null in AccountForm
- add PasswordException
- add getAccount to AccountRegistryService
- add accountRegistryAccount to WebClientCalls.kt

src/main/kotlin/ltd/hlaeja/util/Mapping.kt

@@ -1,5 +1,6 @@
 package ltd.hlaeja.util
 
+import ltd.hlaeja.exception.PasswordException
 import ltd.hlaeja.form.AccountForm
 import ltd.hlaeja.library.accountRegistry.Account
 import ltd.hlaeja.library.accountRegistry.Authentication
@@ -12,7 +13,13 @@ fun SpringAuthentication.toAuthenticationRequest(): Authentication.Request = Aut
 
 fun AccountForm.toAccountRequest(): Account.Request = Account.Request(
     username = username,
-    password = password,
+    password = password ?: throw PasswordException("Password requirements failed"),
     enabled = enabled,
     roles = listOf("ROLE_${role.uppercase()}"),
 )
+
+fun Account.Response.toAccountForm(): AccountForm = AccountForm(
+    username = username,
+    enabled = enabled,
+    role = roles.first().removePrefix("ROLE_").lowercase()
+)