The replace functionality within the -field flag is not working correctly

[forgedhallpass]

Taking the example from https://github.com/projectdiscovery/uncover#field-formatting

uncover -f https://ip:port/version

TODO:

• Some escaping option needed: It is not possible to create a URL with a static path pointing to any of the reserved words (ip, host, port) e.g. http://10.10.10.10:1234/host
• The replace logic also replaces substrings within different words: e.g. -f https://ip:port/hipster would also translate to something like https://10.10.10.10:1234/h10.10.10.10ster
• Wrap placeholders with something like: {{ip}}

[ehsandeep]

Reverted the changes (#57) to fix this issue at f5832ad for UX reasons. This requires further discussion to develop a solution that doesn't change the current seamless behavior of using predefined fields.