Enhance GitHub Actions workflows for nightly runs (#58)

- Added scheduled triggers for nightly execution of workflows in recursion, solidity-example, and web-starter Playwright.
- Implemented issue creation on failure for nightly runs to notify developers of workflow failures.
- Updated permissions to allow issue creation within the workflows.

Author: critesjosh

.github/workflows/recursion.yml

@@ -3,12 +3,17 @@ on:
   pull_request:
     paths:
       - "recursion/**"
+  schedule:
+    - cron: "0 2 * * *"
+  workflow_dispatch:
 
 jobs:
   test:
     defaults:
       run:
         working-directory: recursion
+    permissions:
+      issues: write
 
     runs-on: ubuntu-latest
     steps:
@@ -42,3 +47,16 @@ jobs:
         run: |
           yarn generate-proof
         working-directory: recursion/js
+
+      - name: Create issue on failure (nightly)
+        if: failure() && github.event_name == 'schedule'
+        uses: actions/github-script@v6
+        with:
+          script: |
+            github.issues.create({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              title: '[Nightly] Recursion workflow failed',
+              body: `The nightly Recursion workflow failed. Please investigate.\n\n/cc @noir-lang/developerrelations`,
+              labels: ['nightly', 'bug']
+            })

.github/workflows/solidity-example.yml

@@ -5,12 +5,17 @@ on:
   pull_request:
     paths:
       - "solidity-example/**"
+  schedule:
+    - cron: "0 2 * * *"
+  workflow_dispatch:
 
 jobs:
   test:
     defaults:
       run:
         working-directory: solidity-example
+    permissions:
+      issues: write
 
     runs-on: ubuntu-latest
     steps:
@@ -56,3 +61,16 @@ jobs:
           bb prove -b ./target/noir_solidity.json -w target/noir_solidity.gz -o ./target --oracle_hash keccak
           cd ..
           (cd contract && forge test --optimize --optimizer-runs 5000 --gas-report -vvv)
+
+      - name: Create issue on failure (nightly)
+        if: failure() && github.event_name == 'schedule'
+        uses: actions/github-script@v6
+        with:
+          script: |
+            github.issues.create({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              title: '[Nightly] Solidity-example workflow failed',
+              body: `The nightly Solidity-example workflow failed. Please investigate.\n\n/cc @noir-lang/developerrelations`,
+              labels: ['nightly', 'bug']
+            })

.github/workflows/web-starter-playwright.yml

@@ -3,10 +3,16 @@ on:
   pull_request:
     paths:
       - "web-starter/**"
+  schedule:
+    - cron: "0 2 * * *"
+  workflow_dispatch:
 
 jobs:
   test:
     runs-on: ubuntu-latest
+    permissions:
+      issues: write
+
     steps:
       - uses: actions/checkout@v2
 
@@ -62,3 +68,16 @@ jobs:
         working-directory: web-starter/web/webpack
         run: |
           yarn test:e2e
+
+      - name: Create issue on failure (nightly)
+        if: failure() && github.event_name == 'schedule'
+        uses: actions/github-script@v6
+        with:
+          script: |
+            github.issues.create({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              title: '[Nightly] Web-starter Playwright workflow failed',
+              body: `The nightly Web-starter Playwright workflow failed. Please investigate.\n\n/cc @noir-lang/developerrelations`,
+              labels: ['nightly', 'bug']
+            })