Ad openpipe/Chat provider with Open-Orca/OpenOrcaxOpenChat-Preview2-13B model (#163)

* Display 4 decimal points in ModelStatsCard

* Add openpipe-chat provider

app/src/modelProviders/openpipe-chat/templatePrompt.ts

@@ -0,0 +1,24 @@
+import { type OpenpipeChatInput } from ".";
+
+export const templateOpenOrcaPrompt = (messages: OpenpipeChatInput["messages"]) => {
+  const splitter = "<|end_of_turn|>"; // end of turn splitter
+
+  const formattedMessages = messages.map((message) => {
+    if (message.role === "system" || message.role === "user") {
+      return "User: " + message.content;
+    } else {
+      return "Assistant: " + message.content;
+    }
+  });
+
+  let prompt = formattedMessages.join(splitter);
+
+  // Ensure that the prompt ends with an assistant message
+  const lastUserIndex = prompt.lastIndexOf("User:");
+  const lastAssistantIndex = prompt.lastIndexOf("Assistant:");
+  if (lastUserIndex > lastAssistantIndex) {
+    prompt += splitter + "Assistant:";
+  }
+
+  return prompt;
+};