Add correct type for LineString (#1247)

Author: Ekwuno

Diff for: src/content/doc-surrealql/datamodel/geometries.mdx

@@ -82,7 +82,7 @@ A GeoJSON LineString value for storing a geometric path.
 
 ```surql
 UPDATE city:london SET distance = {
-    type: "LineString",
+    type: "Line",
     coordinates: [[-0.118092, 51.509865],[0.1785278, 51.37692386]],
 };
 ```

Diff for: src/content/doc-surrealql/datamodel/index.mdx

@@ -101,7 +101,7 @@ SurrealQL allows you to describe data with specific data types. These data types
                 <ul>
                     <li><code>geometry&lt;feature&gt;</code></li>
                     <li><code>geometry&lt;point&gt;</code></li>
-                    <li><code>geometry&lt;LineString&gt;</code></li>
+                    <li><code>geometry&lt;line&gt;</code></li>
                     <li><code>geometry&lt;polygon&gt;</code></li>
                     <li><code>geometry&lt;multipoint&gt;</code></li>
                     <li><code>geometry&lt;multiline&gt;</code></li>