Add .gitignore file and update gamble command usage instructions

.gitignore

@@ -0,0 +1,38 @@
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# Virtual environments
+venv/
+env/
+ENV/
+
+# Environment variables
+.env
+.env.local
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Discord bot specific
+config.json
+token.txt
+logs/
+*.log
+
+# Database
+*.db
+*.sqlite
+*.sqlite3
+
+# Temporary files
+*.tmp
+.cache/

cogs/gamble.py

@@ -829,7 +829,7 @@ class Gamble(commands.Cog):
         )
         await channel.send(
             f"{ctx.author.mention} Your private **{game}** session has started!\n"
-            f"Use `py invite <user>` and `py kick <user>` in this channel to manage access.\n"
+            f"Use `invite <user>` and `kick <user>` in this channel to manage access.\n"
             f"This channel will be deleted after **{inactivity} minutes of inactivity**."
         )