refactor: added support for base url using a shared function

client/pages/AdminPage.tsx

@@ -1,8 +1,10 @@
 import { route } from 'preact-router'
 import { useState } from 'preact/hooks'
 import { isAdministrator, Solution as SolutionModel, SolutionId, User as UserModel } from '../../shared/model'
-import { sortByStringKey } from '../../shared/utils'
-import { prependBaseUrl, server } from '../api'
+
+import { server } from '../api'
+import { prependBaseUrl, sortByStringKey } from '../../shared/utils'
+
 import { Header } from '../components/Header'
 import { MarkdownEditor } from '../components/MarkdownEditor'
 import { Select } from '../components/Select'

client/pages/LoginPage.tsx

@@ -1,4 +1,5 @@
-import { prependBaseUrl } from '../api.js'
+import { prependBaseUrl } from '../../shared/utils'
+
 import { Header } from '../components/Header.jsx'
 
 export const LoginPage = () => {
@@ -7,7 +8,9 @@ export const LoginPage = () => {
             <Header />
             <main class="page-login">
                 <div class="fill">
-                    <a class="button" role="button" href={prependBaseUrl('/auth/redirect')} data-native>Accedi con Ateneo</a>
+                    <a class="button" role="button" href={prependBaseUrl('/auth/redirect')} data-native>
+                        Accedi con Ateneo
+                    </a>
                 </div>
             </main>
         </>

client/pages/ProblemPage.tsx

@@ -1,7 +1,8 @@
 import { route } from 'preact-router'
 import { useContext, useEffect, useState } from 'preact/hooks'
 import { isAdministrator, Problem as ProblemModel, Solution as SolutionModel } from '../../shared/model'
-import { prependBaseUrl, server } from '../api'
+import { prependBaseUrl } from '../../shared/utils'
+import { server } from '../api'
 import { Header } from '../components/Header'
 import { MarkdownEditor } from '../components/MarkdownEditor'
 import { Problem } from '../components/Problem'

client/pages/ProfilePage.tsx

@@ -1,7 +1,7 @@
 import { route } from 'preact-router'
 import { isAdministrator, Solution as SolutionModel, User } from '../../shared/model'
 import { sortByStringKey } from '../../shared/utils'
-import { prependBaseUrl } from '../api'
+import { prependBaseUrl } from '../../shared/utils'
 import { Header } from '../components/Header'
 import { Solution } from '../components/Solution'
 import { useResource } from '../hooks'