add method and route to search across tracks, albums and artists.

+ break models into separate files
+ same for the utils and setup

app/utils/network.py

@@ -0,0 +1,28 @@
+import requests
+import socket as Socket
+
+
+class Ping:
+    """
+    Checks if there is a connection to the internet by pinging google.com
+    """
+
+    @staticmethod
+    def __call__() -> bool:
+        try:
+            requests.get("https://google.com", timeout=10)
+            return True
+        except (requests.exceptions.ConnectionError, requests.Timeout):
+            return False
+
+
+def get_ip():
+    """
+    Returns the IP address of this device.
+    """
+    soc = Socket.socket(Socket.AF_INET, Socket.SOCK_DGRAM)
+    soc.connect(("8.8.8.8", 80))
+    ip_address = str(soc.getsockname()[0])
+    soc.close()
+
+    return ip_address