Add types and methods for participants onboarding module (#12)

Part of [laconicd testnet validator enrollment](https://www.notion.so/laconicd-testnet-validator-enrollment-6fc1d3cafcc64fef8c5ed3affa27c675)

Co-authored-by: Isha Venikar <145848618+IshaVenikar@users.noreply.github.com>
Co-authored-by: Prathamesh Musale <prathamesh.musale0@gmail.com>
Reviewed-on: cerc-io/registry-sdk#12
Co-authored-by: Nabarun <nabarun@deepstacksoft.com>
Co-committed-by: Nabarun <nabarun@deepstacksoft.com>

.github/workflows/on-pr.yaml

@@ -0,0 +1,23 @@
+name: Lint & Build
+
+on:
+  pull_request:
+
+jobs:
+  lint_and_build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [20.x]
+    steps:
+      - uses: actions/checkout@v3
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node-version }}
+          registry-url: 'https://npm.pkg.github.com'
+      - run: yarn
+      - name: Run lint
+        run: yarn lint
+      - name: Run build
+        run: yarn build

.github/workflows/test.yml

@@ -15,7 +15,7 @@ jobs:
         uses: actions/checkout@v3
         with:
           path: "./laconicd/"
-          repository: cerc-io/laconicd
+          repository: cerc-io/laconic2d
           fetch-depth: 0
           ref: main
       - name: Environment
@@ -51,3 +51,12 @@ jobs:
       - name: Run nameservice expiry tests
         working-directory: laconicd/tests/sdk_tests
         run: ./run-tests.sh test:nameservice-expiry
+      
+      - name: Start containers (onboarding enabled)
+        working-directory: laconicd/tests/sdk_tests
+        env:
+          ONBOARDING_ENABLED: true
+        run: docker compose up -d
+      - name: Run participants onboarding tests
+        working-directory: laconicd/tests/sdk_tests
+        run: ./run-tests.sh test:onboarding