add github-ci and dependabot

.github/dependabot.yml

@@ -0,0 +1,7 @@
+---
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"

.github/workflows/make.yml

@@ -0,0 +1,32 @@
+---
+name: Make
+
+on:
+  push:
+    branches:
+      - "**"
+  pull_request:
+    branches:
+      - master
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    timeout-minutes: 120
+    strategy:
+      matrix:
+        os:
+          - ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+      with:
+        submodules: true
+    - name: Build on Linux
+      if: runner.os == 'Linux'
+      shell: bash
+      run: bash -x make.sh all

make.sh

@@ -0,0 +1,45 @@
+#!/usr/bin/env bash
+
+function priv_clippit
+(
+    cat <<EOF
+Usage: bash ${0} [OPTIONS]
+Options:
+    build   Build program
+EOF
+)
+
+function priv_main
+(
+    set -eo pipefail
+    if !(which lazbuild); then
+        source '/etc/os-release'
+        case ${ID:?} in
+            debian | ubuntu)
+                sudo apt-get update
+                sudo apt-get install -y lazarus
+                ;;
+        esac
+    fi
+    if ((${#})); then
+        case ${1} in
+            build) pub_build ;;
+        esac
+    else
+        priv_clippit
+    fi
+)
+
+function pub_build
+(
+    if {
+        pushd 'peazip-sources/dev'
+    }; then
+        lazbuild --add-package 'metadarkstyle/metadarkstyle.lpk'
+        lazbuild 'project_peach.lpi'
+        lazbuild 'project_pea.lpi'
+        strip peach pea
+    fi
+)
+
+priv_main "${@}"