Add /uptime command

.gitignore

@@ -1,4 +1,5 @@
 .vscode/
+.idea/
 
 # Byte-compiled / optimized / DLL files
 __pycache__/

src/extensions/uptime.py

@@ -0,0 +1,25 @@
+from datetime import datetime
+
+import arc
+
+start_time = datetime.now()
+
+plugin = arc.GatewayPlugin("Blockbot Uptime")
+
+@plugin.include
+@arc.slash_command("uptime", "Show formatted uptime of Blockbot")
+async def uptime(ctx):
+    up_time = datetime.now() - start_time
+    d = up_time.days
+    h, ms = divmod(up_time.seconds, 3600)
+    m, s = divmod(ms, 60)
+
+    format = lambda val, str: f"{val} {str}{'s' if val != 1 else ''}"
+    message_parts = [(d, "day"), (h, "hour"), (m, "minute"), (s, "second")]
+    formatted_parts = [format(val, str) for val, str in message_parts if val]
+
+    await ctx.respond(f"Uptime: **{', '.join(formatted_parts)}**")
+
+@arc.loader
+def loader(client):
+    client.add_plugin(plugin)