docs: quote pip extras install examples (#1473)

* docs: quote pip extras install examples

* docs: quote pip extras in remaining install hints

The sidecar's ML error messages and the Python README told users to run
pip install with an unquoted extras spec, which zsh globs before pip sees
it. Quote them the way the rest of the docs already do.

---------

Co-authored-by: nyxst4ck <289980115+nyxst4ck@users.noreply.github.com>
Co-authored-by: giswqs <giswqs@gmail.com>

Author: nyxst4ck

backend/geolibre_server/README.md

@@ -91,7 +91,7 @@ The **Apache Sedona** engine of the SQL Workspace runs Sedona spatial SQL on
 through the `/sql` endpoints. It is an optional extra:
 
 ```bash
-pip install -e ".[sedona]"   # apache-sedona[db] + geopandas + shapely
+pip install -e ".[sedona]"   # 'apache-sedona[db]' + geopandas + shapely
 geolibre-server
 ```
 

backend/geolibre_server/geolibre_server/app/ml.py

@@ -85,7 +85,7 @@ def _require_httpx():
         import httpx  # noqa: PLC0415
     except ImportError as exc:  # pragma: no cover - exercised via status path
         raise RuntimeBootstrapError(
-            "The 'ml' extra is not installed. Install with: pip install geolibre-server[ml]"
+            "The 'ml' extra is not installed. Install with: pip install \"geolibre-server[ml]\""
         ) from exc
     return httpx
 
@@ -186,7 +186,7 @@ def _ensure_server() -> str:
             if command is None:
                 raise RuntimeBootstrapError(
                     "samgeo-api was not found on PATH. Install the segmentation "
-                    "stack with: pip install segment-geospatial[api,samgeo3], or set "
+                    'stack with: pip install "segment-geospatial[api,samgeo3]", or set '
                     "GEOLIBRE_ML_SAMGEO_URL to an existing samgeo-api server."
                 )
 
@@ -332,7 +332,7 @@ def ml_status():
 
     payload["message"] = (
         "Segmentation backend is unavailable. Install it with: "
-        "pip install segment-geospatial[api,samgeo3], or set "
+        'pip install "segment-geospatial[api,samgeo3]", or set '
         "GEOLIBRE_ML_SAMGEO_URL to an existing samgeo-api server."
     )
     return payload

python/README.md

@@ -102,7 +102,7 @@ m.to_project()["mapView"]["center"]
   (works in the running server with no restart where it is installed). On other
   remote servers (Binder, remote JupyterLab), pass `Map(server_proxy=True)` to
   use that same remote path; `Map(server_proxy=False)` forces the direct path.
-- Optional extras: `pip install geolibre[all]` adds GeoPandas/Shapely support
+- Optional extras: `pip install "geolibre[all]"` adds GeoPandas/Shapely support
   for `add_geojson(geodataframe)` and for reading **local** vector files
   (`add_vector`/`add_geoparquet`/`add_flatgeobuf`/`add_shp`/`add_kml`/`add_gpkg`),
   which the kernel reads and inlines as GeoJSON. Remote URLs for the same formats stream through