torrentleech: add 2fa support. resolves #13772 (#14046)

src/Jackett.Common/Definitions/torrentleech.yml

@@ -84,6 +84,13 @@ settings:
   - name: password
     type: password
     label: Password
+  - name: 2facode
+    type: text
+    label: 2FA code
+  - name: info_2fa
+    type: info
+    label: "About 2FA code"
+    default: "Only fill in the <b>2FA code</b> box if you have enabled <b>2FA</b> on the TorrentLeech Web Site. Otherwise just leave it empty."
   - name: freeleech
     type: checkbox
     label: Search freeleech only
@@ -119,8 +126,12 @@ login:
   inputs:
     username: "{{ .Config.username }}"
     password: "{{ .Config.password }}"
+    otpkey: "{{ .Config.2facode }}"
   error:
     - selector: p.text-danger
+    - selector: .login-container h2:contains("One Time Password")
+      message:
+        text: "Your TorrentLeech account has 2FA enabled. Please recheck your indexer settings."
   test:
     path: /
     selector: a[href="/user/account/logout"]