Allow insecure ssl

[mannharleen]

Is your feature request related to a problem? Please describe.
Disable ssl cert check to allow self signed certificates (both for target and options like -ut)

Describe the solution you'd like
A flag like -insecure-ssl

[ehsandeep]

Certificate validation is disabled as default, do you an example to share where you received this error?

[mannharleen]

Here is an example -

~/testing_using_nuclei$ nuclei -ut -vv

                     __     _
   ____  __  _______/ /__  (_)
  / __ \/ / / / ___/ / _ \/ /
 / / / / /_/ / /__/ /  __/ /
/_/ /_/\__,_/\___/_/\___/_/   2.5.2

                projectdiscovery.io

[WRN] Use with caution. You are responsible for your actions.
[WRN] Developers assume no liability and are not responsible for any misuse or damage.
[WRN] Could not fetch latest releases: could not do request: Get "https://version-check.nuclei.sh/versions?v=2.5.2": x509: certificate signed by unknown authority
[INF] nuclei-templates are not installed, installing...
[WRN] Could not fetch latest releases: could not do request: Get "https://version-check.nuclei.sh/versions?v=2.5.2": x509: certificate signed by unknown authority
[WRN] Could not update templates: Version string empty

[ehsandeep]

looks like the error was related to - #1145