integrate GitHub Actions CI further

.github/workflows/build.yml

@@ -0,0 +1,24 @@
+name: Build
+
+on:
+  push:
+    branches: [ master ]
+
+jobs:
+  build:
+
+    strategy:
+      matrix:
+        os:
+          - ubuntu-latest
+          - macos-latest
+          - windows-latest
+        rust:
+          - stable
+    runs-on: ${{ matrix.os }}
+
+    steps:
+    - run: git config --global core.autocrlf false
+    - uses: actions/checkout@v2
+    - name: Build
+      run: cargo build --all --locked --verbose

.github/workflows/ci.yml

@@ -1,8 +1,6 @@
 name: CI
 
 on:
-  push:
-    branches: [ master ]
   pull_request:
     branches: [ master ]
 

.travis.yml

@@ -8,8 +8,8 @@ os:
 
 rust:
 - stable
-- beta
-- nightly
+# - beta
+# - nightly
 
 git:
   autocrlf: false # don't mangle LF into CRLF on windows

Makefile

@@ -1,21 +1,25 @@
-#!/usr/bin/make -f
+# Makefile for monolith
 
-all: test
+all: build
 .PHONY: all
 
 build:
 	@cargo build --locked
 .PHONY: build
 
-install:
-	@cargo install --force --locked --path .
-.PHONY: install
-
 test: build
 	@cargo test --locked
 	@cargo fmt --all -- --check
-.PHONY: test
+.PHONY: test_code_formatting
 
 lint:
 	@cargo fmt --all --
 .PHONY: lint
+
+install:
+	@cargo install --force --locked --path .
+.PHONY: install
+
+uninstall:
+	@cargo uninstall
+.PHONY: uninstall

README.md

@@ -1,3 +1,4 @@
+[![GitHub Actions Build Status](https://github.com/Y2Z/monolith/workflows/Build/badge.svg)](https://github.com/Y2Z/monolith/actions?query=workflow%3ABuild)
 [![Travis CI Build Status](https://travis-ci.org/Y2Z/monolith.svg?branch=master)](https://travis-ci.org/Y2Z/monolith)
 [![AppVeyor Build status](https://ci.appveyor.com/api/projects/status/ae7soyjih8jg2bv7/branch/master?svg=true)](https://ci.appveyor.com/project/snshn/monolith/branch/master)
 
@@ -21,11 +22,6 @@ If compared to saving websites with `wget -mpk`, this tool embeds all assets as
 
 ## Installation
 
-#### From source
-    $ git clone https://github.com/Y2Z/monolith.git
-    $ cd monolith
-    $ make install
-
 #### With Homebrew (on macOS and GNU/Linux)
     $ brew install monolith
 
@@ -35,6 +31,11 @@ If compared to saving websites with `wget -mpk`, this tool embeds all assets as
 #### Via Docker
 The guide can be found [here](docs/containers.md)
 
+#### From source
+    $ git clone https://github.com/Y2Z/monolith.git
+    $ cd monolith
+    $ make install
+
 ---------------------------------------------------
 
 ## Usage