chore: initial commit — landing page + CV + Claude config

Single-page static site at bchanot.fr: landing (index.html) and CV
(HTML + PDF), pure HTML/CSS/JS, no build step. Includes project
conventions (CLAUDE.md), README, and .claude/ memory/tasks/audits
scaffolding.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

.claude/memory/blockers.md

@@ -0,0 +1,34 @@
+---
+type: blockers_registry
+entry_prefix: BLK
+schema:
+  id: BLK-XXX
+  date: YYYY-MM-DD
+  friction: string (what was blocked)
+  real_cause: string (root cause, not symptom)
+  solution: string (workaround or fix)
+  status: [open | resolved | upstream]
+rules:
+  - Open a blocker as soon as friction > 15 min wasted. Close it with a real cause, not "moved on".
+  - Link to upstream issue / PR / commit when applicable.
+  - If cause is a bug in a dependency, set status upstream with a pointer to the tracker.
+---
+
+# Blockers registry (BLK)
+
+## Index
+
+| ID | Date | Friction | Status |
+|----|------|---------|--------|
+
+<!-- Append entries below. Template:
+
+## BLK-XXX - <friction>
+
+- **Date** : YYYY-MM-DD
+- **Friction** : <ce qui était bloqué>
+- **Cause réelle** : <cause racine>
+- **Solution** : <workaround ou fix>
+- **Statut** : open | resolved | upstream
+
+-->