Update READMEs for React, add React dev server port to devcontainer

.devcontainer/devcontainer.json

@@ -42,6 +42,7 @@
 
 	// Use 'forwardPorts' to make a list of ports inside the container available locally.
 	"forwardPorts": [
+		3000, /* Frontend React dev server (adb.dxe.io/v2) */
 		8080, /* ADB main site (adb.dxe.io) */
 		8081 /* Members app (members.dxesf.org) */
 	]

README.md

@@ -49,13 +49,20 @@ without a space.)
 
 ### Run
 
-After downloading the dependencies, start the server:
+After downloading the dependencies, start the development servers:
 
 ```bash
 make run_all
 ```
+Access the new frontend (React app) at http://localhost:3000/ - or test with
+http://localhost:3000/v2/test
 
-Access the web app at http://localhost:8080.
+React pages auto-update in the frontend development server when you save
+changes.
+
+Access the Go API serverand and old frontend (Vue app) at http://localhost:8080
+
+Access the Members app at members.dxesf.org at http://localhost:8081
 
 ### Code formatting
 
@@ -72,6 +79,11 @@ in serial.
 
 ### JS
 
+The frontend is being migrated from Vue to React and is split into two
+applications: the Vue app in /frontend and the React app in /frontend-v2.
+
+#### Vue app
+
 This project uses webpack to compile our frontend files. Frontend
 files that need to be compiled are in `frontend/`, and the compiled
 outputs are in `frontend/dist/`.
@@ -87,6 +99,12 @@ The most convenient workflow is to run `make watch` in one terminal
 and `make run` in another one. Then your JS changes will automatically
 be built as you edit them.
 
+#### React app
+
+See frontend-v2/README.md for more information on the React app. See above for
+instructions on building and running the React app along with other components
+of ADB.
+
 ## Required environment variables for running in prod:
 
 - ADB_URL_PATH: For example, "http://adb.domain.com"

frontend-v2/README.md

@@ -2,15 +2,8 @@ This is a [Next.js](https://nextjs.org) project bootstrapped with [`create-next-
 
 ## Getting Started
 
-First, run the development server:
-
-```bash
-pnpm dev
-```
-
-Open [http://localhost:3000](http://localhost:3000) with your browser to see the result.
-
-You can start editing the page by modifying `pages/index.tsx`. The page auto-updates as you edit the file.
+See the main project README for initial, one-time setup as well as instructions
+to build the project and run the development servers.
 
 ## Learn More