fix: updated readme to include usage instructions

README.md

@@ -1,3 +1,39 @@
 # Validate YAML
 
 > Github action to validate yaml files against a JSON schema
+
+## Usage
+
+Validate your YAML files against a JSON structure by providing a schema path and a list of files.
+
+```yaml
+- name: Validate YAML
+  uses: brittonhayes/validate-yaml
+  with:
+    schemaPath: 'schema.json'
+    files: |
+      example/foo.yaml
+```
+
+### Example JSON Schema
+
+```json
+{
+  "test": {
+    "structure": {
+      "myValue": "string",
+      "myValue2": "string"
+    }
+  }
+}
+```
+
+### Example Valid YAML for this schema
+
+```yaml
+---
+test:
+  structure:
+    myValue: '1'
+    myValue2: '2'
+```