Added a merge checker script that has to run before you can merge to main

Updated merge checker and seperated the matrix tests fro mthe timing tests

.gitea/workflows/Merge-Checker.yaml

@@ -5,22 +5,44 @@ on:
     branches: ["**"]
 
 jobs:
-  build:
+  build_and_test:
     runs-on: ubuntu-latest
 
     steps:
       - name: Checkout source code
         uses: actions/checkout@v3
 
-      - name: Install dependencies (CMake + Ninja + Compiler)
+      - name: Install dependencies (CMake + Ninja + build tools)
         run: |
           sudo apt-get update
-          sudo apt-get install -y cmake ninja-build build-essential
+          sudo apt-get install -y cmake ninja-build build-essential time
 
       - name: Configure project with CMake
-        run: |
-          cmake -G Ninja -S . -B build/
+        run: cmake -G Ninja -S . -B build/
 
       - name: Build with Ninja
+        run: ninja -C build/
+
+      - name: Run all unit tests except matrix-timing-tests
         run: |
-          ninja -C build/
+          for test_exec in build/unit-tests/matrix-tests build/unit-tests/quaternion-tests build/unit-tests/vector-3d-tests; do
+            if [ -x "$test_exec" ]; then
+              echo "Running $test_exec"
+              "$test_exec"
+            else
+              echo "Warning: $test_exec not found or not executable"
+            fi
+          done
+
+      - name: Run matrix-timing-tests with per-test timing output
+        run: |
+          if [ -x build/unit-tests/matrix-timing-tests ]; then
+            echo "Running matrix-timing-tests with timing"
+            # Run the test executable and capture timing info
+            # Assuming the executable prints timings per test internally
+            # If not, you might want to wrap each subtest with 'time' or
+            # run the entire executable with time:
+            /usr/bin/time -v build/unit-tests/matrix-timing-tests
+          else
+            echo "matrix-timing-tests executable not found or not executable"
+          fi