feat: Introduce initial web frontend and backend services, and generalize directory configuration in docker-compose.

backend/main.py

@@ -59,6 +59,7 @@ class VaultInfo(BaseModel):
     name: str = Field(description="Display name of the vault")
     file_count: int = Field(description="Number of indexed files")
     tag_count: int = Field(description="Number of unique tags")
+    type: str = Field(default="VAULT", description="Type of the vault mapping (VAULT or DIR)")
 
 
 class BrowseItem(BaseModel):
@@ -603,10 +604,12 @@ async def api_vaults(current_user=Depends(require_auth)):
     result = []
     for name, data in index.items():
         if "*" in user_vaults or name in user_vaults:
+            v_type = vault_config.get(name, {}).get("type", "VAULT")
             result.append({
                 "name": name,
                 "file_count": len(data["files"]),
                 "tag_count": len(data["tags"]),
+                "type": v_type,
             })
     return result