Adding GitHub CI build process.

.github/workflows/ci.yml

@@ -0,0 +1,19 @@
+name: CI on Ubuntu 18.04
+
+on: [push]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-18.04
+
+    steps:
+    - uses: actions/checkout@v1
+    - name: installing system dependencies
+      run: sudo apt-get install -y build-essential pkg-config automake libncurses5-dev autotools-dev libparted-dev dmidecode
+    - name: creating autoconf files
+      run: ./init.sh
+    - name: configure
+      run: ./configure CFLAGS='-O0 -g -Wall -Wextra'
+    - name: make
+      run: make