changed the command for activating the venv

Author: Boka1991

examples/pyloghub_package_demo.ipynb

@@ -30,6 +30,7 @@
    ]
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    "cell_type": "markdown",
    "id": "13b62547",
    "metadata": {},
@@ -59,7 +60,7 @@
     "2. **Activate the Virtual Environment**:\n",
     "   - **Windows**: \n",
     "     ```bash\n",
-    "     .\\loghub_env\\Scripts\\activate\n",
+    "     source loghub_env/Scripts/activate\n",
     "     ```\n",
     "   - **macOS/Linux**: \n",
     "     ```bash\n",