[ci skip] Add SECURITY.md (ViaVersion#4520)

Author: FlorianMichael

SECURITY.md

@@ -0,0 +1,10 @@
+# Security Policy
+
+## Reporting a Vulnerability
+
+If you discover a **security vulnerability**, please **do not** open a public issue. Instead, use one of the following **confidential contact methods**:
+
+* **Email:** [[email protected]](mailto:[email protected])
+* **Discord:** Join our [Discord server](https://discord.gg/viaversion) and visit the [#exploit-report](https://discord.com/channels/316206679014244363/1388847764137316485) channel for further instructions.
+
+If your issue is **not security-related** (e.g., bug reports, feature requests, or usage questions), please use the [GitHub Issues page](https://github.com/ViaVersion/ViaVersion/issues) or contact us via the [Discord server](https://discord.gg/viaversion).

api/src/main/java/com/viaversion/viaversion/api/minecraft/data/StructuredDataContainer.java

@@ -241,7 +241,7 @@ public boolean hasEmpty(final StructuredDataKey<?> key) {
     /**
      * Sets the lookup for serializer ids. Required to call most of the other methods.
      *
-     * @param protocol    protocol to retreive the id of the serializer from
+     * @param protocol    protocol to retrieve the id of the serializer from
      * @param mappedNames if the names are mapped (true if structures from the mapped version are added, false for the unmapped version)
      */
     public void setIdLookup(final Protocol<?, ?, ?, ?> protocol, final boolean mappedNames) {