Make sukela nice mode consistent

We know about nice mode and clicking it again exits the nice mode -
that's consistent with the original.

ozgursozluk/api.py

@@ -66,6 +66,7 @@ class Topic:
     pagecount: int
     permalink: str
     entrys: Iterator[Entry]
+    nice: bool | None = None
 
     def title_id(self) -> str:
         return _unicode_tr(f"{self.title}--{self.id}")
@@ -129,6 +130,7 @@ class Eksi:
             int(pager.attrs["data-pagecount"]) if pager is not None else 0,
             self.base_url + h1.find("a", href=True)["href"],
             self._get_entrys(soup),
+            a == "nice",
         )
 
     def get_entry(self, id: str) -> Topic:

ozgursozluk/templates/topic.html

@@ -6,8 +6,14 @@
         <div class="info">
             <div>
                 <p>
-                    {{ topic.title }} - şükela:
+                  {{ topic.title }} - şükela:
+                    {% if topic.nice %}
+                      <a href="{{ url_for('topic', title=topic.title_id()) }}">
+                        <b>nice</b>
+                      </a>
+                  {% else %}
                     <a href="{{ url_for('topic', title=topic.title_id(), p=p, a='nice') }}">nice</a>
+                  {% endif %}
                 </p>
             </div>
             <div>