fix: added BASE_URL support

client/components/Solution.tsx

@@ -8,7 +8,7 @@ import {
     SolutionStatus,
     UserId,
 } from '../../shared/model'
-import { server } from '../api'
+import { prependBaseUrl, server } from '../api'
 import { Markdown } from './Markdown'
 import { Select } from './Select'
 
@@ -89,13 +89,14 @@ export const Solution = ({
                     {sentBy && (
                         <>
                             {' '}
-                            di <a href={`/user/${sentBy}`}>@{sentBy}</a>
+                            di <a href={prependBaseUrl(`/user/${sentBy}`)}>@{sentBy}</a>
                         </>
                     )}
                     {forProblem && (
                         <>
                             {' '}
-                            per il <a href={`/problem/${forProblem}`}>Problema {forProblem}</a>
+                            per il{' '}
+                            <a href={prependBaseUrl(`/problem/${forProblem}`)}>Problema {forProblem}</a>
                         </>
                     )}
                     {!isNaN(d as any) && (