Tests - DRAWEXE Testing integration into GH #109

Introduced a comprehensive multi-platform build and
  test workflow for OCCT, supporting Windows, macOS, and Linux.
Added a new workflow for automated documentation building.
Reorganized a code analysis workflow using CodeQL
  and Microsoft C++ Code Analysis.

.github/workflows/build-docs.yml

@@ -0,0 +1,45 @@
+# This workflow builds the OCCT reference manual documentation.
+# It is triggered on pushes to the 'master' branch.
+# The workflow includes steps to checkout the repository, install dependencies, build the documentation, and upload the generated documentation and logs as artifacts.
+
+name: Build Documentation
+
+on:
+  push:
+    branches:
+      - 'master'
+
+jobs:
+  build:
+    name: Build Refman Documentation
+    runs-on: ubuntu-24.04
+
+    steps:
+    # Step: Checkout the repository
+    - name: Checkout repository
+      uses: actions/checkout@v4.2.1
+
+    # Step: Install necessary dependencies for building the documentation
+    - name: Install dependencies
+      run: sudo apt-get update && sudo apt-get install -y tcl-dev tk-dev cmake gcc g++ make libbtbb-dev libx11-dev libglu1-mesa-dev doxygen graphviz
+
+    # Step: Build the reference manual documentation
+    - name: Build documentation
+      run: bash gendoc -refman
+
+    # Step: Upload the generated reference manual documentation as an artifact
+    - name: Upload refman documentation
+      uses: actions/upload-artifact@v4.4.3
+      id: artifact-upload-step
+      with:
+        name: refman-doc
+        path: doc/refman
+        retention-days: 90
+
+    # Step: Upload the documentation generation log as an artifact
+    - name: Upload generation log
+      uses: actions/upload-artifact@v4.4.3
+      with:
+        name: doxygen.log
+        path: doc/html_doxygen_err.log
+        retention-days: 90

.github/workflows/code-analysis.yml

@@ -0,0 +1,97 @@
+# This workflow performs code analysis using both CodeQL and Microsoft C++ Code Analysis.
+# It is triggered on pushes to the 'master' branch and publishes warnings into the security GitHub tab.
+# The workflow includes two jobs: one for CodeQL analysis on Ubuntu and another for MSVC Code Analysis on Windows.
+
+name: Code Analysis
+
+on:
+  push:
+    branches:
+      - 'master'
+
+permissions:
+  contents: read
+  security-events: write
+  packages: read
+
+env:
+  # Path to the CMake build directory.
+  build: '${{ github.workspace }}/build'
+  config: 'Debug'
+
+jobs:
+  codeql-analyze:
+    name: CodeQL Analyze (C/C++)
+    runs-on: ubuntu-latest
+
+    steps:
+    # Step: Checkout the repository
+    - name: Checkout repository
+      uses: actions/checkout@v4.1.7
+
+    # Step: Install necessary dependencies for building the project
+    - name: Install dependencies
+      run: sudo apt-get update && sudo apt-get install -y tcl-dev tk-dev cmake gcc g++ make libbtbb-dev libx11-dev libglu1-mesa-dev
+
+    # Step: Initialize CodeQL for scanning
+    - name: Initialize CodeQL
+      uses: github/codeql-action/init@v3.26.5
+      with:
+        languages: c-cpp
+        build-mode: manual
+
+    # Step: Build the project using CMake and Make
+    - name: Build project
+      shell: bash
+      run: |
+        mkdir -p build
+        cd build
+        cmake -G "Unix Makefiles" \
+              -D CMAKE_C_COMPILER=gcc \
+              -D CMAKE_CXX_COMPILER=g++ \
+              -D USE_FREETYPE=OFF \
+              -D CMAKE_BUILD_TYPE=Release ..
+        make -j$(nproc)
+
+    # Step: Perform CodeQL Analysis
+    - name: Perform CodeQL Analysis
+      uses: github/codeql-action/analyze@v3.26.5
+      with:
+        category: "/language:c-cpp"
+
+  msvc-analyze:
+    name: Microsoft C++ Code Analysis
+    runs-on: windows-latest
+
+    steps:
+    # Step: Checkout the repository
+    - name: Checkout repository
+      uses: actions/checkout@v4.1.7
+
+    # Step: Install necessary dependencies using Chocolatey
+    - name: Install dependencies
+      run: |
+          choco install cmake --installargs 'ADD_CMAKE_TO_PATH=System' -y
+          choco install magicsplat-tcl-tk -y
+
+    # Step: Configure the project using CMake
+    - name: Configure CMake
+      run: |
+        mkdir build
+        cd build
+        cmake -D USE_FREETYPE=OFF -DCMAKE_BUILD_TYPE=${{ env.config }} ..
+
+    # Step: Run MSVC Code Analysis
+    - name: Run MSVC Code Analysis
+      uses: microsoft/msvc-code-analysis-action@v0.1.1
+      id: run-analysis
+      with:
+        cmakeBuildDirectory: ${{ env.build }}
+        buildConfiguration: ${{ env.config }}
+        ruleset: NativeRecommendedRules.ruleset
+
+    # Step: Upload SARIF file to GitHub Code Scanning Alerts
+    - name: Upload SARIF to GitHub
+      uses: github/codeql-action/upload-sarif@v3.26.5
+      with:
+        sarif_file: ${{ steps.run-analysis.outputs.sarif }}