add basic CI

.github/workflows/ci.yml

@@ -0,0 +1,26 @@
+name: ci
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  ci:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - run: corepack enable
+      - uses: actions/setup-node@v3
+        with:
+          node-version: 18
+          cache: "pnpm"
+      - run: pnpm install
+      - run: pnpm build
+      - run: pnpm compile
+      - run: pnpm format:check
+      - run: pnpm lint:check
+      - run: pnpm test

README.md

@@ -1,2 +1,27 @@
 # dapp
 A web-dapp providing some auxiliary Encointer tools
+
+## Prerequisites
+
+Before you begin, ensure you have met the following requirements:
+
+- You have installed [Node.js](https://nodejs.org/en/download/)
+- You have installed [pnpm](https://pnpm.io/installation)
+
+## Installing Dependencies
+
+To install dependencies, follow these steps:
+
+```bash
+pnpm install
+```
+
+## Using Dapp
+
+To use Playground, follow these steps:
+
+```bash
+pnpm dev
+```
+
+This will start the development server. Open the link given during startup to access the playground.