Update doc for QgsConfigCache

Author: pblottiere

python/server/auto_generated/qgsconfigcache.sip.in

@@ -21,13 +21,20 @@ Cache for server configuration.
 #include "qgsconfigcache.h"
 %End
   public:
+
     static QgsConfigCache *instance();
+%Docstring
+Returns the current instance.
+%End
 
     void removeEntry( const QString &path );
+%Docstring
+Removes an entry from cache.
+%End
 
     const QgsProject *project( const QString &path );
 %Docstring
-If the project is not cached yet, then the project is read thank to the
+If the project is not cached yet, then the project is read thanks to the
 path. If the project is not available, then a None is returned.
 
 :param path: the filename of the QGIS project

src/server/qgsconfigcache.h

@@ -38,13 +38,20 @@ class SERVER_EXPORT QgsConfigCache : public QObject
 {
     Q_OBJECT
   public:
+
+    /**
+     * Returns the current instance.
+     */
     static QgsConfigCache *instance();
 
+    /**
+     * Removes an entry from cache.
+     */
     void removeEntry( const QString &path );
 
     /**
-     * If the project is not cached yet, then the project is read thank to the
-     *  path. If the project is not available, then a nullptr is returned.
+     * If the project is not cached yet, then the project is read thanks to the
+     * path. If the project is not available, then a nullptr is returned.
      * \param path the filename of the QGIS project
      * \returns the project or nullptr if an error happened
      * \since QGIS 3.0