Remove travis-ci. Add github workflow

.github/workflows/.github.yml

@@ -0,0 +1,25 @@
+name: build
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+        compiler: [gcc, clang]
+        include:
+          - cc: gcc
+            cxx: g++
+          - cc: clang
+            cxx: clang++
+    env:
+      CC: ${{ matrix.cc }}
+      CXX: ${{ matrix.cxx }}
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+    - name: Build
+      run: |
+        make

.travis.yml

@@ -1,10 +0,0 @@
-language: cpp
-compiler: 
-  - gcc
-  - clang
-os:
-  - linux
-  - osx
-
-script:
-  - make

README.md

@@ -1,6 +1,6 @@
 # Vluzacn ZHLT
 
-[![Build Status](https://travis-ci.org/FreeSlave/vhlt.svg?branch=master)](https://travis-ci.org/FreeSlave/vhlt)
+[![Build Status](https://github.com/FreeSlave/vhlt/actions/workflows/.github.yml/badge.svg?branch=master)](https://github.com/FreeSlave/vhlt/actions/workflows/.github.yml)
 
 Custom Zoner's Half-Life Tools created by vluzacn. This is not my project, I just need repository here to add support for determining of the number of threads on posix systems.