[WIP][FEATURE] Navigation to proc of child processes enabled

[roysti10]

Description

Navigation to the child processes is enabled in the case of grofer proc -p <pid>. Keybinding used is Enter.

Fixes #100

Type of change

Please delete options that are not relevant.

• [ ] New feature (non-breaking change which adds functionality)
• [x] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] This change requires a documentation update

Checklist:

• [x] I have read the contribution guidelines and followed it as far as possible.
• [x] I have performed a self-review of my own code (if applicable)
• [ ] I have commented my code, particularly in hard-to-understand areas (if applicable)
• [x] I have run go fmt on my code (reference)
• [ ] I have made corresponding changes to the documentation (if applicable)
• [ ] My changes generate no new warnings
• [x] Any dependent and pending changes have been merged and published

Additional Info

• [ ] Causes Error when trying to exit with two or more child process navigation. Error might have occurred due to the recursive call in line 183

• [ ] Need to enable the feature for allProcs.go i,e grofer proc

[MadhavJivrajani]

@lucasace I remember you asking a few questions on slack, if those questions are still unanswered, can you please state them here again and provide a little bit of context so that we can help you out with this PR?

[MadhavJivrajani]

Closing due to inactivity