refactor: restructure api module and implement articles pagination with dynamic routing

app/api/articles.py

@@ -0,0 +1,38 @@
+import requests
+
+API_BASE_URL = 'http://localhost:8000/api'
+
+def list_articles(page=1, search=None, token=None):
+    params = {'page' : page}
+
+    if search:
+        params['search'] = search
+
+    headers = {}
+    if token:
+        headers['Authorization'] = f"Bearer {token}"
+
+    r = requests.get(
+        f"{API_BASE_URL}/articles",
+        params=params,
+        headers=headers,
+        timeout=10
+    )
+
+    r.raise_for_status()
+    return r.json()
+
+def get_article(article_id, token=None):
+    headers={}
+
+    if token:
+        headers['Authorization'] = f"Bearer {token}"
+
+    r = requests.get(
+        f"{API_BASE_URL}/articles/{article_id}",
+        headers = headers,
+        timeout = 10
+    )
+
+    r.raise_for_status()
+    return r.json()