feat: Add BaseVersionedAspect.pdl (#344)

* Add BaseVersionedAspect.pdl

* Revert local dev changes

* Address PR

* Add comments

* Add comments

dao-api/src/main/pegasus/com/linkedin/metadata/aspect/BaseVersionedAspect.pdl

@@ -0,0 +1,28 @@
+namespace com.linkedin.metadata.aspect
+
+/**
+* A base record containing semantic version of aspects
+* Usage: Aspects can include this record to add semantic version metadata to themselves
+*/
+record BaseVersionedAspect {
+
+ /**
+  * The version of the metadata aspect
+  */
+ baseSematicVersion: optional record BaseSematicVersion {
+   /**
+    * The major version of this version. This is the x in x.y.z.
+    */
+   major: int
+
+   /**
+    * The minor version of this version. This is the y in x.y.z
+    */
+   minor: int
+
+   /**
+   * The patch version of this version. This is the z in x.y.z
+   */
+   patch: int
+ }
+}