Merge remaining community board entries and takeaway files from PRs #20, #16, #13, #18, #12

Add community board entry from prithviguruprasad

Add takeaway from rajat-pm-lab

Add takeaway from nikhilgr

Add takeaway from drcap04

Add takeaway from prithviguruprasad

Merge pull request #10 from fmendezc98/fmendezc98/takeaway

Add trailing newline to takeaway file

Add takeaway from fmendezc98

Merge pull request #9 from theinnercoach/alex/work

learning from github 101

Merge pull request #7 from sidwyn/practice-repo-updates-2-28-26

Update article and sync CLAUDE.md files with new line numbers and structure

Merge pull request #6 from sidwyn/update-readme-hyperlinks-2-27-26

Update author links to LinkedIn profiles