add v8r to implementations (#883)

Author: chris48s

data/validator-libraries-modern.yml

@@ -567,6 +567,15 @@
       notes: Supports formatting, linting, bundling, testing, validating, and more. As an exception, validation is not supported on Draft 3 and older
       built-on:
         name: jsontoolkit
+    - name: v8r
+      license: MIT
+      url: https://github.com/chris48s/v8r
+      last-updated: "2024-08-23"
+      date-draft: [2020-12, 2019-09]
+      draft: [7, 6, 4]
+      notes: Uses [Schema Store](https://www.schemastore.org/) to detect a suitable schema for your input files based on the filename
+      built-on:
+        name: ajv
 - name: Github Actions
   implementations:
     - name: Validate JSON Action