Refactor Dockerfile and add linguist module

This commit refactors the Dockerfile to:
- Reintroduce the programmer user creation with sudo privileges
- Add necessary system dependencies for development tools
- Update Go installation to include PATH in root's bashrc
- Install github-linguist gem

It also includes the addition of a new linguist command module with functions to interact with GitHub Linguist for language statistics and file information retrieval.

old/Notes/jj_to_json.md

@@ -0,0 +1,55 @@
+```bash
+jj log | orla agent -m  ollama:qwen3:0.6b   \
+  "
+Transform the following `jj log` output into JSON according to the given schema.
+
+**Return only valid JSON, without any Markdown formatting :**
+    - no backticks, 
+    - no code blocks, 
+    - no extra text
+
+Schema:
+{
+  \"type\": \"array\",
+  \"items\": {
+    \"type\": \"object\",
+    \"properties\": {
+      \"hash\": {\"type\": \"string\"},
+      \"author\": {\"type\": \"string\"},
+      \"date\": {\"type\": \"string\"},
+      \"message\": {\"type\": \"string\"}
+    },
+    \"required\": [\"hash\", \"author\", \"date\", \"message\"]
+  }
+}
+" | grep -v '```' | jq .
+```
+
+```json
+[
+  {
+    "hash": "252b5de3",
+    "author": "nrrwwpms",
+    "date": "2026-01-25 17:36:18",
+    "message": "(no description set)"
+  },
+  {
+    "hash": "9f9d9bc3",
+    "author": "stxkzlul",
+    "date": "2026-01-25 12:08:12",
+    "message": "Ajout de Dockerfile et configuration MCP"
+  },
+  {
+    "hash": "7412b51a",
+    "author": "xnrxukn",
+    "date": "2026-01-25 07:53:42",
+    "message": "Initial commit"
+  }
+]
+```
+
+
+Ok, on va essayer de développer un outil un peu plus avancé.
+Dans le fichier @src/sandbox/__init__.py Nous allons créer une fonction jj_log.
+Cette fonction prendra en paramètres:
+- un projet