created workflow for building why2-chat

it also uploads the artifacts :))

.github/workflows/why2-chat-build.yml

@@ -0,0 +1,73 @@
+# This is part of WHY2
+# Copyright (C) 2022 Václav Šmejkal
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+name: Build WHY2-chat
+
+on:
+  push:
+    branches: [ development ]
+  workflow_dispatch:
+  schedule:
+    - cron: '40 22 12 4 2'
+
+jobs:
+  test-why2:
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        os:  [ ubuntu-latest ]
+        include:
+          - os: ubuntu-latest
+            client: ./out/why2-chat-client
+            server: ./out/why2-chat-server
+            configure: configure.sh
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+        with:
+          ref: development
+
+      - if: matrix.os == 'ubuntu-latest'
+        name: Update packages
+        run: |
+          sudo apt update
+#         sudo apt upgrade
+
+      - name: Permissions
+        run: chmod +x ${{ matrix.configure }}
+
+      - name: Preparation
+        run: sudo ./${{ matrix.configure }}
+
+      - name: Install WHY2
+        run: make install
+
+      - name: Build Chat
+        run: make build_chat
+
+      - name: Upload Client
+        uses: actions/upload-artifact@v4
+        with:
+          name: WHY2 Chat Client
+          path: ${{ matrix.client }}
+
+      - name: Upload Server
+        uses: actions/upload-artifact@v4
+        with:
+          name: WHY2 Chat Server
+          path: ${{ matrix.server }}