Convert thunderbird-config.json to generic template with provider examples

- Remove personal email configuration (timmy.lo@automodules.tw)
- Add generic placeholders for customization
- Include examples for Gmail, Outlook, and iCloud providers
- Add helpful comments and configuration guidance

config/thunderbird-config.json

@@ -1,23 +1,89 @@
 {
+  "_comment": "Thunderbird email configuration template - modify values for your specific setup",
   "WindowsUser": "user",
   "ProfileName": "default",
   "Identity": {
-    "FullName": "Timmy",
+    "FullName": "Your Full Name",
-    "Email": "timmy.lo@automodules.tw"
+    "Email": "your.email@domain.com"
   },
   "Incoming": {
     "Type": "imap",
-    "Hostname": "mail.automodules.tw",
+    "Hostname": "imap.domain.com",
     "Port": 993,
     "SocketType": "SSL",
-    "Username": "timmy.lo",
+    "Username": "your.email@domain.com",
     "AuthMethod": "normal"
   },
   "Outgoing": {
-    "Hostname": "mail.automodules.tw",
+    "Hostname": "smtp.domain.com",
     "Port": 465,
     "SocketType": "SSL",
-    "Username": "timmy.lo",
+    "Username": "your.email@domain.com",
     "AuthMethod": "normal"
+  },
+  "_examples": {
+    "gmail": {
+      "Identity": {
+        "FullName": "Your Name",
+        "Email": "yourname@gmail.com"
+      },
+      "Incoming": {
+        "Type": "imap",
+        "Hostname": "imap.gmail.com",
+        "Port": 993,
+        "SocketType": "SSL",
+        "Username": "yourname@gmail.com",
+        "AuthMethod": "OAuth2"
+      },
+      "Outgoing": {
+        "Hostname": "smtp.gmail.com",
+        "Port": 587,
+        "SocketType": "STARTTLS",
+        "Username": "yourname@gmail.com",
+        "AuthMethod": "OAuth2"
+      }
+    },
+    "outlook": {
+      "Identity": {
+        "FullName": "Your Name",
+        "Email": "yourname@outlook.com"
+      },
+      "Incoming": {
+        "Type": "imap",
+        "Hostname": "outlook.office365.com",
+        "Port": 993,
+        "SocketType": "SSL",
+        "Username": "yourname@outlook.com",
+        "AuthMethod": "OAuth2"
+      },
+      "Outgoing": {
+        "Hostname": "smtp-mail.outlook.com",
+        "Port": 587,
+        "SocketType": "STARTTLS",
+        "Username": "yourname@outlook.com",
+        "AuthMethod": "OAuth2"
+      }
+    },
+    "icloud": {
+      "Identity": {
+        "FullName": "Your Name",
+        "Email": "yourname@icloud.com"
+      },
+      "Incoming": {
+        "Type": "imap",
+        "Hostname": "imap.mail.me.com",
+        "Port": 993,
+        "SocketType": "SSL",
+        "Username": "yourname@icloud.com",
+        "AuthMethod": "password-cleartext"
+      },
+      "Outgoing": {
+        "Hostname": "smtp.mail.me.com",
+        "Port": 587,
+        "SocketType": "STARTTLS",
+        "Username": "yourname@icloud.com",
+        "AuthMethod": "password-cleartext"
+      }
+    }
   }
 }