feat: enhance gitignore and bot prefix handling

- Updated .gitignore to properly exclude Python cache files and environment variables
- Modified bot.py to improve prefix case handling for better command recognition
- Refactored mail.py to streamline feedback email generation and database interaction
- Added environment variable loading in mail.py for better configuration management

message_command_stats.json

@@ -1,43 +1,45 @@
 {
   "messages": {
     "601579326714019840": {
-      "total": 106,
-      "commands": 94,
-      "non_commands": 12
+      "total": 137,
+      "commands": 118,
+      "non_commands": 19
     }
   },
   "commands": {
-    "purge": 5,
+    "purge": 6,
     "mail_feedback": 2,
-    "help": 11,
+    "help": 16,
     "nuke": 4,
     "ping": 2,
-    "top": 2,
-    "stats": 2,
+    "top": 3,
+    "stats": 3,
     "poker": 7,
-    "balance": 5,
-    "daily": 4,
+    "balance": 8,
+    "daily": 8,
     "withdraw": 2,
-    "leaderboard": 2,
-    "afk": 2,
+    "leaderboard": 3,
+    "afk": 3,
     "afklist": 1,
     "whois": 1,
     "reset_money": 2,
-    "listcommands": 1,
+    "listcommands": 3,
     "talk": 27,
     "npcs": 2,
     "remove_money": 1,
-    "guildids": 1,
-    "give_money": 1,
+    "guildids": 2,
+    "give_money": 2,
     "coinflip": 2,
     "deposit": 1,
     "gameroom": 3,
-    "reload": 1
+    "reload": 1,
+    "slots": 2,
+    "addcommand": 1
   },
   "channels": {
-    "bot": 86,
+    "bot": 91,
     "membercount": 3,
-    "members-3": 2,
+    "members-3": 28,
     "faq": 1,
     "polls": 8,
     "bot-commands": 2,
@@ -45,8 +47,8 @@
     "general": 3
   },
   "guilds": {
-    "Plex": 89,
-    "TEST SERVER BOT": 17
+    "Plex": 94,
+    "TEST SERVER BOT": 43
   },
   "total_messages": 0,
   "command_messages": 0,