Small renaming

Signed-off-by: Emil Balitzki <emil.balitzki@gmail.com>

Author: Corgam

backend/metadata-database/init-db.js

@@ -40,7 +40,7 @@ const datasets = [
     },
     additionalData: {
       Icon: '<svg xmlns="http://www.w3.org/2000/svg" width="1em" height="1em" fill="#000000" viewBox="0 0 256 256"><path d="M134.62,123.51a8,8,0,0,1,.81,7.46l-16,40A8,8,0,0,1,104.57,165l11.61-29H96a8,8,0,0,1-7.43-11l16-40A8,8,0,1,1,119.43,91l-11.61,29H128A8,8,0,0,1,134.62,123.51ZM248,86.63V168a24,24,0,0,1-48,0V128a8,8,0,0,0-8-8H176v88h16a8,8,0,0,1,0,16H32a8,8,0,0,1,0-16H48V56A24,24,0,0,1,72,32h80a24,24,0,0,1,24,24v48h16a24,24,0,0,1,24,24v40a8,8,0,0,0,16,0V86.63A8,8,0,0,0,229.66,81L210.34,61.66a8,8,0,0,1,11.32-11.32L241,69.66A23.85,23.85,0,0,1,248,86.63ZM160,208V56a8,8,0,0,0-8-8H72a8,8,0,0,0-8,8V208Z"></path></svg>',
-      Type: "marker",
+      Type: "markers",
       LongDescription: `A map of EV charging stations displays the locations of electric vehicle charging points located in Germany, helping drivers plan routes and manage charging needs. It is essential for supporting the adoption and convenience of electric vehicles.`,
       MinZoomLevel: 10,
       MarkersThreshold: -1,
@@ -57,7 +57,7 @@ const datasets = [
     },
     additionalData: {
       Icon: '<svg xmlns="http://www.w3.org/2000/svg" width="1em" height="1em" fill="#000000" viewBox="0 0 256 256"><path d="M232,56H72V40a8,8,0,0,0-8-8H48A32,32,0,0,0,16,64V176a32,32,0,0,0,32,32H232a8,8,0,0,0,8-8V64A8,8,0,0,0,232,56ZM32,64A16,16,0,0,1,48,48h8v96H48a31.82,31.82,0,0,0-16,4.29ZM224,192H48a16,16,0,0,1,0-32H64a8,8,0,0,0,8-8V72H224ZM104,136a8,8,0,0,0,0,16h16v8a8,8,0,0,0,16,0v-8h24v8a8,8,0,0,0,16,0v-8h16a8,8,0,0,0,0-16H176V120h16a8,8,0,0,0,0-16H176V96a8,8,0,0,0-16,0v8H136V96a8,8,0,0,0-16,0v8H104a8,8,0,0,0,0,16h16v16Zm32-16h24v16H136Z"></path></svg>',
-      Type: "area",
+      Type: "areas",
       LongDescription: `House footprints refer to the outline or ground area covered by a house, typically measured from the exterior walls of the structure. This footprint includes all parts of the house that are in contact with the ground, and is important for planning and zoning purposes, calculating property taxes, and designing land use.`,
       MinZoomLevel: 10,
       MarkersThreshold: 10,
@@ -74,7 +74,7 @@ const datasets = [
     },
     additionalData: {
       Icon: '<svg xmlns="http://www.w3.org/2000/svg" width="32" height="32" fill="#000000" viewBox="0 0 256 256"><path d="M136.83,220.43a8,8,0,0,1-11.09,2.23A183.15,183.15,0,0,0,24,192a8,8,0,0,1,0-16,199.11,199.11,0,0,1,110.6,33.34A8,8,0,0,1,136.83,220.43ZM24,144a8,8,0,0,0,0,16,214.81,214.81,0,0,1,151.17,61.71,8,8,0,1,0,11.2-11.42A230.69,230.69,0,0,0,24,144Zm208,16a216.51,216.51,0,0,0-48.59,5.49q8.24,6.25,16,13.16A201.53,201.53,0,0,1,232,176a8,8,0,0,1,0,16c-6,0-11.93.29-17.85.86q8.32,8.67,15.94,18.14a8,8,0,1,1-12.48,10A247,247,0,0,0,24,128a8,8,0,0,1,0-16,266.33,266.33,0,0,1,48,4.37V80a8,8,0,0,1,3.2-6.4l64-48a8,8,0,0,1,9.6,0l64,48A8,8,0,0,1,216,80v32.49c5.31-.31,10.64-.49,16-.49a8,8,0,0,1,0,16,246.3,246.3,0,0,0-84.26,14.69q9.44,5,18.46,10.78A232.2,232.2,0,0,1,232,144a8,8,0,0,1,0,16ZM120,88h48a8,8,0,0,1,8,8v21.94q11.88-2.56,24-4V84L144,42,88,84v35.81q12.19,3,24,7.18V96A8,8,0,0,1,120,88Zm8.07,45.27A262.48,262.48,0,0,1,160,121.94V104H128v29.24Z"></path></svg>',
-      Type: "area",
+      Type: "areas",
       LongDescription: `The Actual Use map describes the use of the earth's surface in four main groups (settlement, traffic, vegetation and water bodies). The division of these main groups into almost 140 different types of use, such as residential areas, road traffic, agriculture or flowing water, enables detailed evaluations and analyses of the use of the earth's surface.`,
       MinZoomLevel: 10,
       MarkersThreshold: 10,