Merge remote-tracking branch 'ledger/develop' into patch/v1.1.1

* ledger/develop:
  [auto] Add guideline enforcer
  [auto] Add manifest
  [auto]: add PR template

Author: r4mmer

.github/PULL_REQUEST_TEMPLATE.md

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+# Checklist
+<!-- Put an `x` in each box when you have completed the items. -->
+- [ ] App update process has been followed <!-- See comment below -->
+- [ ] Target branch is `develop` <!-- unless you have a very good reason -->
+- [ ] Application version has been bumped <!-- required if your changes are to be deployed -->
+
+<!-- Make sure you followed the process described in https://developers.ledger.com/docs/embedded-app/maintenance/ before opening your Pull Request.
+Don't hesitate to contact us directly on Discord if you have any questions ! https://developers.ledger.com/discord -->

.github/workflows/guidelines_enforcer.yml

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+name: Ensure compliance with Ledger guidelines
+
+# This workflow is mandatory in all applications
+# It calls a reusable workflow guidelines_enforcer developed by Ledger's internal developer team.
+# The successful completion of the reusable workflow is a mandatory step for an app to be available on the Ledger
+# application store.
+#
+# More information on the guidelines can be found in the repository:
+# LedgerHQ/ledger-app-workflows/
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - master
+      - main
+      - develop
+  pull_request:
+
+jobs:
+  guidelines_enforcer:
+    name: Call Ledger guidelines_enforcer
+    uses: LedgerHQ/ledger-app-workflows/.github/workflows/reusable_guidelines_enforcer.yml@v1

ledger_app.toml

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+[app]
+build_directory = "./"
+sdk = "C"
+devices = ["nanos", "nanox", "nanos+"]