Add docs, scripts, skills, commands, and taskmaster config to repo

Includes:
- docs/: architecture, block-schema, migration-plan, product-specification
- scripts/: bidi_table, decompose-decisions, extract-claims, seed-knowledge, etc.
- skill-legal-decision/: SKILL.md + references + block-schema
- skill-legal-assistant/: SKILL.md
- skill-legal-docx/: SKILL.md + references
- .claude/commands/: bidi-table skill
- .taskmaster/: task config + PRDs
- .gitignore: exclude legacy/, kiryat-yearim/, node_modules/, memory/

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

CLAUDE.md

@@ -57,7 +57,7 @@
 | Redis | תור משימות | `legal-ai-redis` |
 | n8n | אוטומציית workflows | להגדרה |
 | Gitea | מאגר קוד | `gitea.nautilus.marcusgroup.org/ezer-mishpati` |
-| ezer-mishpati-web | ממשק העלאת מסמכים | `upload.nautilus.marcusgroup.org` |
+| ezer-mishpati-web | ממשק העלאת מסמכים | `legal-ai.nautilus.marcusgroup.org` |
 | Infisical | ניהול סודות | `secret.dev.marcus-law.co.il` |
 
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