Tidied up charts operations

src/core/config/Categories.json

@@ -366,10 +366,6 @@
             "Remove EXIF",
             "Extract EXIF",
             "Split Colour Channels",
-            "Hex Density chart",
-            "Scatter chart",
-            "Series chart",
-            "Heatmap chart",
             "Rotate Image",
             "Resize Image",
             "Blur Image",
@@ -382,7 +378,11 @@
             "Image Filter",
             "Contain Image",
             "Cover Image",
-            "Image Hue/Saturation/Lightness"
+            "Image Hue/Saturation/Lightness",
+            "Hex Density chart",
+            "Scatter chart",
+            "Series chart",
+            "Heatmap chart"
         ]
     },
     {
@@ -399,6 +399,7 @@
             "Generate QR Code",
             "Parse QR Code",
             "Haversine distance",
+            "HTML To Text",
             "Generate Lorem Ipsum",
             "Numberwang",
             "XKCD Random Number"