added next-intl, composed next-auth and next-intl in middleware, fixed some bugs, completed details page, added google auth

src/app/[locale]/about-us/AboutUs.scss

@@ -0,0 +1,86 @@
+.about-us {
+  display: flex;
+  flex-direction: column;
+
+  h2 {
+    margin-bottom: 40px;
+    width: fit-content;
+  }
+
+  img {
+    align-self: center;
+    margin-bottom: 65px;
+    border-radius: 12px;
+    max-width: 1072px;
+    width: 100%;
+    height: 598px;
+    object-fit: cover;
+  }
+
+  h3 {
+    margin-bottom: 10px;
+    font-size: 24px;
+    font-weight: 500;
+    line-height: 29px;
+    color: rgb(62, 50, 50);
+  }
+
+  &__descriptions {
+    display: flex;
+    flex-direction: column;
+    gap: 20px;
+
+    p {
+      font-size: 20px;
+      font-weight: 400;
+      line-height: 34px;
+      color: rgb(62, 50, 50);
+    }
+  }
+}
+
+@media screen and (max-width: 768px) {
+  .about-us {
+    h2 {
+      margin-bottom: 30px;
+    }
+
+    img {
+      margin-bottom: 30px;
+      height: 392px;
+    }
+
+    h3 {
+      font-size: 20px;
+      line-height: 24px;
+    }
+
+    &__descriptions {
+      gap: 16px;
+
+      p {
+        font-size: 18px;
+        line-height: 34px;
+      }
+    }
+  }
+}
+
+@media screen and (max-width: 550px) {
+  .about-us {
+    h2 {
+      margin-bottom: 20px;
+    }
+
+    img {
+      height: 231px;
+    }
+
+    &__descriptions {
+      p {
+        font-size: 16px;
+        line-height: 140%;
+      }
+    }
+  }
+}