feat: forge pr_main workflow for pull requests to main branch

feat: dev workflow is now dev branch trigger only

.github/workflows/dev.yml

@@ -4,7 +4,7 @@ on:
   push:
     branches: [ "dev" ]
   pull_request:
-    branches: [ "dev", "main" ]
+    branches: [ "dev" ]
 
 env:
   CARGO_TERM_COLOR: always
@@ -19,28 +19,4 @@ jobs:
     - name: Build
       run: cargo build --release --verbose
     - name: Run tests
-      run: cargo test --verbose
-
-
-  build_windows:
-
-    runs-on: windows-latest
-
-    steps:
-    - uses: actions/checkout@v3
-    - name: Build
-      run: cargo build --release --verbose
-    - name: Run tests
-      run: cargo test --verbose
-
-
-  build_macos:
-
-    runs-on: macos-latest
-
-    steps:
-    - uses: actions/checkout@v3
-    - name: Build
-      run: cargo build --release --verbose
-    - name: Run tests
-      run: cargo test --verbose
+      run: cargo test --verbose

.github/workflows/pr_main.yml

@@ -0,0 +1,44 @@
+name: Rust Dev Branch -> Build & Test 
+
+on:
+  pull_request:
+    branches: [ "main" ]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build_linux:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Build
+      run: cargo build --release --verbose
+    - name: Run tests
+      run: cargo test --verbose
+
+
+  build_windows:
+
+    runs-on: windows-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Build
+      run: cargo build --release --verbose
+    - name: Run tests
+      run: cargo test --verbose
+
+
+  build_macos:
+
+    runs-on: macos-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Build
+      run: cargo build --release --verbose
+    - name: Run tests
+      run: cargo test --verbose