feat: add visualization project tag

Author: Cayla Hamann

src/data/project-tags/project-tags.json

@@ -110,5 +110,9 @@
   {
     "title": "Mobile",
     "slug": "mobile"
+  }, 
+  {
+    "title": "Visualizations", 
+    "slug": "visualizations"
   }
 ]

src/data/projects/newrelic-experimental-nerd-vlog-demo-visualization.json

@@ -0,0 +1,26 @@
+{
+  "name": "nerd-vlog-demo-visualization",
+  "fullName": "newrelic-experimental/nerd-vlog-demo-visualization",
+  "slug": "newrelic-experimental-nerd-vlog-demo-visualization",
+  "owner": {
+    "login": "newrelic-experimental",
+    "type": "Organization"
+  },
+  "title": "Nerd Log Demo Visualization",
+  "supportUrl": null,
+  "githubUrl": "https://github.com/newrelic-experimental/nerd-vlog-demo-visualization",
+  "permalink": "https://opensource.newrelic.com/projects/newrelic-experimental/nerd-vlog-demo-visualization",
+  "defaultBranch": "main",
+  "contributingGuideUrl": "https://github.com/newrelic-experimental/nerd-vlog-demo-visualization/blob/main/CONTRIBUTING.md",
+  "iconUrl": "https://github.com/newrelic-experimental/nerd-vlog-demo-visualization/blob/main/icon.png?raw=true",
+  "shortDescription": "Example Nerdpack with a Visualization",
+  "description": "This is an example Nerdpack with a Visualization that was built during the NerdLog session the last week of February 2021.",
+  "ossCategory": "new-relic-one-catalog-project",
+  "primaryLanguage": "JavaScript",
+  "projectTags": ["visualization"],
+  "acceptsContributions": true,
+  "website": {
+    "title": "Nerd Log Demo Visualization",
+    "url": "https://github.com/newrelic-experimental/nerd-vlog-demo-visualization"
+  }
+}