[apps] Reorganize apps in monorepo (MystenLabs#4802)

Author: Jordan-Mysten

.github/workflows/explorer-client-prs.yml

@@ -59,7 +59,7 @@ jobs:
         with:
           install: false
           start: pnpm dev:static
-          working-directory: ./explorer/client
+          working-directory: ./apps/explorer
           spec: cypress/e2e/static/*
   end_to_end_localnet:
     name: End-to-end tests (Localnet)
@@ -87,7 +87,7 @@ jobs:
         with:
           install: false
           start: pnpm dlx concurrently --kill-others 'cargo run --bin sui-test-validator' 'pnpm dev'
-          working-directory: ./explorer/client
+          working-directory: ./apps/explorer
           spec: cypress/e2e/localnet/*
           # Wait on faucet and explorer:
           wait-on: "http://localhost:3000, http://localhost:9123"

.github/workflows/wallet-ext-prs.yml

@@ -17,7 +17,7 @@ jobs:
     if: needs.diff.outputs.isWalletExt == 'true'
     runs-on: ubuntu-latest
     env:
-      working-directory: ./wallet
+      working-directory: ./apps/wallet
     steps:
       - name: Checkout
         uses: actions/checkout@v3
@@ -46,6 +46,6 @@ jobs:
       - uses: actions/upload-artifact@v2
         with:
           name: wallet-extension
-          path: wallet/web-ext-artifacts/*
+          path: apps/wallet/web-ext-artifacts/*
           if-no-files-found: error
           retention-days: 7