feat(nyaasi): add static classes instead of object-based ones

tests/integration/test_nyaasi.py

@@ -0,0 +1,30 @@
+from nyaapy.nyaasi.nyaa import Nyaa
+from nyaapy.torrent import Torrent
+
+def test_nyaa_last_uploads():
+    request = Nyaa.last_uploads(number_of_results=10)
+    torrent = request[0]
+
+    assert isinstance(torrent, Torrent) == True
+    assert len(request) == 10
+
+
+def test_nyaa_search():
+    request = Nyaa.search(keyword="koe no katachi")
+    torrent = request[0]
+
+    assert isinstance(torrent, Torrent) == True
+
+
+def test_nyaa_get_single():
+    request = Nyaa.get(view_id='1847113')
+
+    assert isinstance(request, Torrent) == True
+
+
+def test_nyaa_get_from_user():
+    request = Nyaa.get_from_user(username="Erai-raws")
+    torrent = request[0]
+
+    assert isinstance(torrent, Torrent) == True
+    assert len(request) <= 75