[ECO-2151] Add CI/CD pipeline to test that the correct version of the…

… processor is used (#226)

Co-authored-by: alnoki <[email protected]>

.github/workflows/submodule.yaml

@@ -0,0 +1,19 @@
+---
+jobs:
+  pre-commit:
+    runs-on: 'ubuntu-latest'
+    steps:
+    - uses: 'actions/checkout@v3'
+    - run: 'git submodule update --init --recursive src/rust/processor'
+    - run: 'git fetch'
+      working-directory: 'src/rust/processor'
+    - run: 'git diff --quiet origin/emojicoin-dot-fun'
+      working-directory: 'src/rust/processor'
+name: 'Ensure correct version of processor submodule'
+'on':
+  pull_request: null
+  push:
+    branches:
+    - 'main'
+  workflow_dispatch: null
+...