Flesh out basic API client

vultron/api.py

@@ -1,3 +1,25 @@
+import requests
+
 class Client:
-  def __init__(self, **kwargs):
-    print(kwargs)
+  DEFAULT_ENDPOINT = "https://api.vultr.com/v2"
+
+  def __init__(self, api_key=None, endpoint=None):
+    self.endpoint = endpoint
+
+    if self.endpoint is None:
+      self.endpoint = self.DEFAULT_ENDPOINT
+
+    self.hdrs = {
+      "User-Agent": "Vultron",
+      "Authorization": f"Bearer {api_key}"
+    }
+
+  def get(self, *resources):
+    url = f"{self.endpoint}/{'/'.join(resources)}"
+    res = requests.get(url, headers=self.hdrs)
+
+    if res.status_code == 200:
+      return res.json()
+    else:
+      pass
+      # FIXME: raise error w/ status code here