Added more keywords to package.json and HTML meta tag

Author: magjac

package.json

@@ -7,8 +7,15 @@
     "DOT",
     "visual-editor",
     "javascript",
+    "graph-drawing",
+    "graph-visualization",
+    "graph-view",
     "graphviz-dot-language",
+    "graphviz-viewer",
+    "wysiwyg",
+    "wysiwyg-editor",
     "interactive-visualization",
+    "text-editor",
     "web-application "
   ],
   "license": "MIT",

public/index.html

@@ -5,7 +5,7 @@
     <meta name="viewport" content="user-scalable=0, initial-scale=1, minimum-scale=1, width=device-width, height=device-height">
     <!-- PWA primary color -->
     <meta name="theme-color" content="#000000">
-    <meta name="keywords" content="Web, Application, Interactive, Visual, Editor, Graphviz, Graph, DOT">
+    <meta name="keywords" content="Web, Application, Interactive, Visual, Editor, Graphviz, Graph, DOT,Draw, View, Visualization, WYSIWYG">
     <meta name="description" content="A web application for interactive visual editing of Graphviz graphs described in the DOT language">
     <meta name="author" content="Magnus Jacobsson">
     <title>Graphviz Visual Editor</title>