added npm files

classes/misc.js

@@ -0,0 +1,30 @@
+export class ReactionTypeCount {
+    constructor({ count, reactionType }) {
+        this.count = count;
+        this.reactionType = reactionType;
+    }
+}
+
+export class SocialActivityCounts {
+    constructor({ entityUrn, numComments, numLikes, reactionTypeCounts, liked, preDashEntityUrn }) {
+        this.entityUrn = entityUrn;
+        this.numComments = numComments;
+        this.numLikes = numLikes;
+        this.reactionTypeCounts = reactionTypeCounts.map(count => new ReactionTypeCount(count));
+        this.liked = liked;
+        this.preDashEntityUrn = preDashEntityUrn;
+    }
+}
+
+export class Group {
+    constructor({ entityUrn }) {
+        this.entityUrn = entityUrn;
+    }
+}
+
+// Placeholder class for any other types
+export class GenericEntity {
+    constructor(data) {
+        Object.assign(this, data);
+    }
+}