Rename branch (#199)

This is more important now that import app is available and not every
git repo will be initialized with `main` as the default branch. This
handles the other common case which is the `master` branch.

src/ipc/ipc_client.ts

@@ -29,6 +29,7 @@ import type {
   ApproveProposalResult,
   ImportAppResult,
   ImportAppParams,
+  RenameBranchParams,
 } from "./ipc_types";
 import type { ProposalResult } from "@/lib/schemas";
 import { showError } from "@/lib/toast";
@@ -816,4 +817,8 @@ export class IpcClient {
   }): Promise<{ exists: boolean }> {
     return this.ipcRenderer.invoke("check-app-name", params);
   }
+
+  public async renameBranch(params: RenameBranchParams): Promise<void> {
+    await this.ipcRenderer.invoke("rename-branch", params);
+  }
 }