auth: use pass_hash; fix register/login; translate endpoint stable

frontend/about.html

@@ -102,7 +102,7 @@
 
         <div class="team-member">
           <div class="photo-placeholder" onclick="openModal('modal2')">
-            <img src="static\image\dosen1.jpg" alt="Dr. Ahmad Wijaya, M.Kom."
+            <img src="static\image\dosen1.jpg" alt="Viny Christanti Mawardi, S.Kom."
                  onerror="this.style.display='none'; this.parentNode.innerHTML='<div style=&quot;color:#999;font-size:14px;&quot;>Foto Tidak Ditemukan</div>';">
           </div>
           <div class="member-name">Viny Christanti Mawardi, S.Kom.,
@@ -112,7 +112,7 @@
 
         <div class="team-member">
           <div class="photo-placeholder" onclick="openModal('modal3')">
-            <img src="{{ url_for('static', filename='image/dosen2.jpg') }}" alt="Prof. Siti Rahayu, M.Sc."
+            <img src="{{ url_for('static', filename='image/dosen2.jpg') }}" alt="Manatap Dolok Lauro, S.Kom."
                  onerror="this.style.display='none'; this.parentNode.innerHTML='<div style=&quot;color:#999;font-size:14px;&quot;>Foto Tidak Ditemukan</div>';">
           </div>
           <div class="member-name">Manatap Dolok Lauro, S.Kom.,