Add MSRV 1.75 Github workflow check

.github/workflows/rust-msrv.yaml

@@ -0,0 +1,37 @@
+on:
+  push:
+    branches:
+      - main
+      - dev
+  pull_request:
+    branches:
+      - main
+      - dev
+
+name: MSRV 1.75 Check
+
+jobs:
+
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        rust:
+          - 1.75.0 # MSRV
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: Swatinem/[email protected]
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: ${{ matrix.rust }}
+          override: true
+      - name: Build Benches
+        run: cargo build --manifest-path=benches/Cargo.toml
+      - name: Build Protocols
+        run: cargo build --manifest-path=protocols/Cargo.toml
+      - name: Build Roles
+        run: cargo build --manifest-path=roles/Cargo.toml
+      - name: Build Utils
+        run: cargo build --manifest-path=utils/Cargo.toml