docs: remove manual alphabetical sorting requirement

Alphabetical ordering will be handled by automation (sort.py in CI),
removing this manual burden from contributors. Updated PR template
with structured checklist aligned to acceptance criteria.

🤖 Generated with Claude Code (https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,11 +1,20 @@
-## What is this Python project?
+## Checklist
 
-Describe features.
+- [ ] One link per Pull Request
+- [ ] PR title format: `Add project-name`
+- [ ] Entry format: `* [project-name](url) - Description ending with period.`
+- [ ] Description is concise (no mention of "Python")
 
-## What's the difference between this Python project and similar ones?
+## Why This Project Is Awesome
 
-Enumerate comparisons.
+Which criterion does it meet? (pick one)
 
---
+- [ ] **Industry Standard** - The go-to tool for a specific use case
+- [ ] **Rising Star** - 5,000+ stars in <2 years, significant adoption
+- [ ] **Hidden Gem** - Exceptional quality, solves niche problems elegantly
 
-Anyone who agrees with this pull request could submit an *Approve* review to it.
+Explain:
+
+## How It Differs
+
+If similar entries exist, what makes this one unique?

CONTRIBUTING.md

@@ -9,7 +9,6 @@ Before submitting a PR, verify:
 - [ ] One link per Pull Request
 - [ ] PR title format: `Add project-name`
 - [ ] Entry format: `* [project-name](url) - A short description ending with a period.`
-- [ ] Alphabetical order maintained (run `python sort.py`)
 - [ ] No mention of "Python" in description (it's implied)
 - [ ] Description is concise (one sentence)
 - [ ] No trailing whitespace