add telemetry using posthog

+ move build variables into a python file
+ rewrite logic to check if there's an internet connection
+ move IS_BUILD into settings
+ update pyintaller to 6.0.0
+ update other packages to latest

app/telemetry.py

@@ -0,0 +1,56 @@
+import sys
+import uuid as UUID
+
+from posthog import Posthog
+from app.settings import Paths, Keys
+from app.utils.hashing import create_hash
+from app.utils.network import has_connection
+from app.logger import log
+
+
+USER_ID = ""
+
+try:
+    posthog = Posthog(
+        project_api_key=Keys.POSTHOG_API_KEY,
+        host="https://app.posthog.com",
+        disable_geoip=False,
+        timeout=30,
+    )
+except AssertionError:
+    log.error("ERROR: POSTHOG_API_KEY not set in environment")
+    sys.exit(0)
+
+
+def create_userid():
+    """
+    Creates a unique user id for the user and saves it to a file.
+    """
+    uuid_path = Paths.get_app_dir() + "/userid.txt"
+    global USER_ID
+
+    try:
+        with open(uuid_path, "r") as f:
+            USER_ID = f.read().strip()
+    except FileNotFoundError:
+        uuid = str(UUID.uuid4())
+        USER_ID = "user_" + create_hash(uuid, limit=15)
+
+        with open(uuid_path, "w") as f:
+            f.write(USER_ID)
+
+
+def send_event(event: str):
+    """
+    Sends an event to posthog.
+    """
+    global USER_ID
+    if has_connection():
+        posthog.capture(USER_ID, event=f"v1.3.0-{event}")
+
+
+def send_artist_visited():
+    """
+    Sends an event to posthog when an artist page is visited.
+    """
+    send_event("artist-page-visited")