feat: add 4 real-world workflow examples for promptext library#7

1broseidon merged 2 commits intomain1broseidon/promptext:mainfrom

claude/phase-4-real-world-examples-011CUxhL2yfFq2TjcFeWc2nv1broseidon/promptext:claude/phase-4-real-world-examples-011CUxhL2yfFq2TjcFeWc2nvCopy head branch name to clipboard