adding initial models but mostly boilerplate for the entire implementation

packages/common/models/clientModels/conversationData.ts

@@ -0,0 +1,32 @@
+export default class ConversationData {
+  // want all of the contents of a conversation in one place for the frontend
+  // need all of the content items in the conversation for the past week
+  // can be audio clip or link for now
+  //    if user wants more data, click button to fetch further back
+  // see if this convo is a priority one
+  // all users in the conversation: userId's perhaps, but the actual user we can get from the relevantUsersCache map
+}
+
+// one map: all relevant users, a map we build based on where the user visits
+
+// one map: conversation id -> conversationData as above to get everything relevant
+// fetch only all convos in last 90 days
+// search for any other ones in the search bar
+
+// filter selector to get live convos
+// filter selector to get all priority convos
+// filter selector to get all later convos
+// filter selector to get all done convos
+
+// filter selector to get a map of default "inbox" conversations:
+// go through all conversations in the conversation map and place in right category
+/**
+ * {
+ *    "Today": [if latest message was today],
+ *    "Last 7 Days": [if convo last message was > day - 7],
+ *    "earlier this month": [...not in above two, but still > day - 30],
+ *    "mm yyyy": [create these if convo is older than the last threshold]
+ * }
+ */
+
+//