GHA: Improves Backtest workflow

.github/workflows/backtest.yml

@@ -12,42 +12,18 @@ on:
 
 jobs:
 
-  Compile:
-    runs-on: windows-latest
-    steps:
-      - uses: actions/checkout@v2
-        with:
-          submodules: recursive
-      - name: List MQL files
-        run: '(Get-ChildItem -Recurse -Path . -Include *.mq[45]).fullname'
-        shell: powershell
-      - name: Compiles EA (MQL4)
-        uses: fx31337/mql-compile-action@master
-        with:
-          path: src\EA31337-Libre.mq4
-          verbose: true
-
-      - name: Compiles EA (MQL5)
-        uses: fx31337/mql-compile-action@master
-        with:
-          path: src\EA31337-Libre.mq5
-          verbose: true
-      - name: List compiled files
-        run: '(Get-ChildItem -Recurse -Path . -Include *.ex[45]).fullname'
-
-      - name: Upload artifacts
-        uses: actions/upload-artifact@v2
-        with:
-          name: EA
-          path: 'src/*.ex?'
+  compile:
+    name: Compile
+    uses: .github/workflows/compile.yml@dev-v3000
 
-  Backtest:
+  backtest:
 
     defaults:
       run:
         shell: bash
 
-    needs: Compile
+    name: Backtest
+    needs: compile
     runs-on: ubuntu-latest
 
     strategy: