feat: add core binary upload to cloudflare r2 bucket

.github/workflows/build-binaries-and-push-to-r2.yaml

@@ -0,0 +1,46 @@
+name: Upload core binary to Cloudflare R2 bucket
+
+on:
+  push:
+    branches:
+      - '*'
+
+jobs:
+    build-and-upload:
+        name: Build binary from current commit and push to R2
+        runs-on: ubuntu-22.04
+        permissions:
+            contents: write
+            packages: write
+            id-token: write
+        steps:
+            - name: Checkout code
+              uses: actions/checkout@v4
+              with:
+                fetch-depth: "0"
+                path: axelar-core
+                submodules: recursive
+
+            - name: Build axelard binary with commit hash
+              id: build-binary
+              run: |
+                mkdir ./binary_file/
+                cd axelar-core
+                make build
+                commit_hash=$(git rev-parse --short HEAD)
+                echo "The commit hash: $commit_hash"
+                cd ..
+                sudo mv axelar-core/bin/axelard ./binary_file/axelard_$commit_hash
+                echo "binary-directory=./binary_file" >> $GITHUB_OUTPUT
+
+            - name: List contents of root directory
+              run: ls -la
+
+            - uses: ryand56/r2-upload-action@latest
+              with:
+                r2-account-id: ${{ secrets.R2_ACCOUNT_ID }}
+                r2-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID_CF }}
+                r2-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY_CF }}
+                r2-bucket: ${{ secrets.R2_BUCKET }}
+                source-dir: ${{ steps.build-binary.outputs.binary-directory }}
+                destination-dir: ./pre-releases/axelard/