feat: implement usage of the requests cacher

fastanime/libs/anime_provider/base_provider.py

@@ -1,3 +1,5 @@
+import os
+
 import requests
 from yt_dlp.utils.networking import random_user_agent
 
@@ -8,6 +10,17 @@ class AnimeProvider:
     USER_AGENT = random_user_agent()
     HEADERS = {}
 
-    def __init__(self) -> None:
-        self.session = requests.session()
+    def __init__(
+        self, cache_requests=os.environ.get("FASTANIME_CACHE_REQUESTS", "true")
+    ) -> None:
+        if cache_requests.lower() == "true":
+            from ...constants import APP_CACHE_DIR
+            from ..common.requests_cacher import CachedRequestsSession
+
+            self.session = CachedRequestsSession(
+                os.path.join(APP_CACHE_DIR, "cached_requests.db"),
+                os.path.join(APP_CACHE_DIR, "cached_requests.lock"),
+            )
+        else:
+            self.session = requests.session()
         self.session.headers.update({"User-Agent": self.USER_AGENT, **self.HEADERS})