CPM added and directory structure changed

Switch to using CPM package manager instead of vcpkg as its just a wrapper around cmake and makes things more simple.

Switch dependency from spdlog to fmt.

Changed the directory structure to match the setup recommended by GitLab

.github/workflows/ci.yml

@@ -18,46 +18,38 @@ jobs:
         os: [windows-latest, ubuntu-latest, macos-latest]
         build_configuration: [Debug, Release]
         compiler: [llvm, gcc]
-        vcpkg_bootstrap: [bootstrap-vcpkg.sh]
 
         exclude:
           - os: windows-latest
-            vcpkg_bootstrap: bootstrap-vcpkg.sh
 
         include:
           - os: 'windows-latest'
             triplet: x64-windows
-            vcpkg_bootstrap: bootstrap-vcpkg.bat
             compiler: llvm
             build_configuration: Debug
 
           - os: 'windows-latest'
             triplet: x64-windows
-            vcpkg_bootstrap: bootstrap-vcpkg.bat
             compiler: llvm
             build_configuration: Release
 
           - os: 'windows-latest'
             triplet: x64-windows
-            vcpkg_bootstrap: bootstrap-vcpkg.bat
             compiler: gcc
             build_configuration: Debug
 
           - os: 'windows-latest'
             triplet: x64-windows
-            vcpkg_bootstrap: bootstrap-vcpkg.bat
             compiler: gcc
             build_configuration: Release
 
           - os: 'windows-latest'
             triplet: x64-windows
-            vcpkg_bootstrap: bootstrap-vcpkg.bat
             compiler: msvc
             build_configuration: Debug
 
           - os: 'windows-latest'
             triplet: x64-windows
-            vcpkg_bootstrap: bootstrap-vcpkg.bat
             compiler: msvc
             build_configuration: Release
 
@@ -75,17 +67,8 @@ jobs:
 
     - name: cache
       uses: actions/cache@v3
-      with:
-        path: |
-          ~/vcpkg
-          ./build/vcpkg_installed
-          ${{ env.HOME }}/.cache/vcpkg/archives
-          ${{ env.XDG_CACHE_HOME }}/vcpkg/archives
-          ${{ env.LOCALAPPDATA }}\vcpkg\archives
-          ${{ env.APPDATA }}\vcpkg\archives
-        key: ${{ runner.os }}-${{ matrix.compiler }}-${{ matrix.build_configuration }}-${{ hashFiles('**/CMakeLists.txt') }}-${{ hashFiles('./vcpkg.json')}}
-        restore-keys: |
-          ${{ runner.os }}-${{ matrix.build_configuration }}-
+      path: "**/cpm_modules"
+          key: ${{ github.workflow }}-cpm-modules-${{ hashFiles('**/CMakeLists.txt', '**/*.cmake') }}
 
     - name: setup dependencies
       uses: aminya/setup-cpp@v1
@@ -93,20 +76,12 @@ jobs:
         compiler: ${{ matrix.compiler }}
         vcvarsall: ${{ contains(matrix.os, 'windows')}}
         cmake: true
-        vcpkg: true
         ccache: true
         clangtidy: ${{ env.CLANG_TIDY_VERSION }}
         cppcheck: true
 
-    - name: Boostrap Vcpkg
-      run: ${{github.workspace}}/external/vcpkg/${{matrix.vcpkg_bootstrap}} -disableMetrics
-
-    - name: Install packaged dependencies
-      run: ${{github.workspace}}/external/vcpkg/vcpkg install spdlog --triplet ${{matrix.triplet}}
-
     - name: Configure CMake
-      run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{matrix.build_configuration}} 
-        -DCMAKE_TOOLCHAIN_FILE=${{github.workspace}}/external/vcpkg/scripts/buildsystems/vcpkg.cmake
+      run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{matrix.build_configuration}}
 
     - name: Build
       run: cmake --build ${{github.workspace}}/build --config ${{matrix.build_configuration}}