Initial commit: CMDB dashboard

Serveur Python (http.server + ldap3) servant cmdb.html, la base SQLite
partagee avec versioning optimiste, snapshots horodates et recherche AD.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

README.md

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+<div align="center">
+  <img src="sources/logo.png" alt="Manage OpenLDAP Logo" width="220"/>
+  
+  <h1>Noctâme</h1>
+  <p><i>CMDB légère : inventaire de parc et recherche Active Directory</i></p>
+</div>
+
+---
+
+## À propos
+
+Noctâme est une CMDB minimaliste. Un seul serveur Python sert l'interface
+(`cmdb.html`), partage une base SQLite entre plusieurs utilisateurs et
+interroge l'annuaire Active Directory.
+
+## Démarrage
+
+Prérequis : [mise](https://mise.jdx.dev/) (gère la version de Python) et
+[uv](https://docs.astral.sh/uv/) (gère les dépendances).
+
+```bash
+mise install          # installe Python (>=3.13)
+uv sync               # installe les dépendances (ldap3)
+
+uv run cmdb_server.py         # http://0.0.0.0:8000
+uv run cmdb_server.py 8080    # port custom
+```
+
+## Fonctionnalités
+
+- Inventaire du parc dans une base SQLite partagée (`cmdb.db`)
+- Détection de conflit à l'écriture (concurrence optimiste)
+- Snapshots automatiques et manuels de la base
+- Recherche Active Directory / LDAP intégrée
+
+---
+
+## Annexe
+
+<details>
+<summary>Génération du logo</summary>
+
+</br>
+
+1. **Prompt pour ChatGPT (DALL-E)** :
+
+```
+A high-quality, original creature inspired by Pokémon style, unevolved stage (basic form). The creature has balanced proportions (can be cute, neutral, or slightly serious), with a clean and memorable silhouette, expressive eyes (not overly exaggerated), and a distinct personality that can range from friendly to calm, mysterious, or determined.
+
+The creature has a unique elemental theme (choose one: fire, water, electric, grass, ghost, etc.), with subtle and well-integrated visual cues reflecting its type (glowing sparks, leaves, flames, mist, energy patterns, etc.).
+
+Art style: official Pokémon-style illustration, soft but controlled shading, vibrant yet natural color palette, smooth gradients, clean and precise outlines, slightly stylized but grounded anatomy.
+
+Pose: simple, confident, and readable, facing slightly toward the viewer, with a composed or expressive stance depending on its personality.
+
+Background: transparent.
+
+Lighting: soft studio lighting with gentle contrast to enhance form and details.
+
+Composition: centered, full body visible, no cropping.
+
+Aspect ratio: 1:1
+
+High resolution, sharp details, no text, no watermark.
+
+Theme: Astro, Star, Milkyway
+
+Format d'image : **1:1**
+```
+
+2. **Supprimer le fond** : [PhotoRoom Background Remover](https://www.photoroom.com/tools/background-remover)
+
+3. **Size Logo :** 220x200
+
+</details>
+