send field with empty value

[dogancanbakir]

$ cat ~/.config/katana/form-config.yaml 
color: '#e66465'
password: katanaP@assw0rd1
phone: "2124567890"
placeholder: katana


$ go run . -u http://0.0.0.0:8000 -aff -v

   __        __                
  / /_____ _/ /____ ____  ___ _
 /  '_/ _  / __/ _  / _ \/ _  /
/_/\_\\_,_/\__/\_,_/_//_/\_,_/                                                   

                projectdiscovery.io

[INF] Current katana version v1.0.4 (latest)
[INF] Started standard crawling for => http://0.0.0.0:8000
[GET] http://0.0.0.0:8000
[form] [POST] http://0.0.0.0:8000/submit [email=]
^C[INF] - Ctrl+C pressed in Terminal
[INF] Creating resume file: /home/vscode/.config/katana/resume-clndk6s3j6ee0m16gv90.cfg

http://0.0.0.0:8000/submit


POST /submit HTTP/1.1
Host: 0.0.0.0:8000
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 11_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36
Content-Length: 6
Content-Type: application/x-www-form-urlencoded
Accept-Encoding: gzip

email=

HTTP/1.1 405 Method Not Allowed
Content-Length: 10
Allow: OPTIONS, GET, HEAD
Content-Type: text/plain; charset=utf-8
Date: Tue, 05 Dec 2023 08:10:50 GMT
X-Content-Type-Options: nosniff

read-only

Closes #679.

[Mzack9999]

lgtm!