Added CI

.drone.yml

@@ -0,0 +1,49 @@
+pipeline:
+  gcc8:
+    image: gcc:8
+    pull: true
+    commands:
+      - apt-get update -q
+      - apt-get install -qy cmake libvsqlitepp-dev libboost-all-dev libxdg-basedir-dev
+      - rm -rf build && mkdir -p build && cd build
+      - cmake ..
+      - make VERBOSE=1
+      - make install DESTDIR=install
+  gcc7:
+    image: gcc:7
+    pull: true
+    commands:
+      - apt-get update -q
+      - apt-get install -qy cmake libvsqlitepp-dev libboost-all-dev libxdg-basedir-dev
+      - rm -rf build && mkdir -p build && cd build
+      - cmake ..
+      - make VERBOSE=1
+      - make install DESTDIR=install
+  gcc6:
+    image: gcc:6
+    pull: true
+    commands:
+      - apt-get update -q
+      - apt-get install -qy cmake libvsqlitepp-dev libboost-all-dev libxdg-basedir-dev
+      - rm -rf build && mkdir -p build && cd build
+      - cmake ..
+      - make VERBOSE=1
+      - make install DESTDIR=install
+  gcc5:
+    image: gcc:5
+    pull: true
+    commands:
+      - apt-get update -q
+      - apt-get install -qy cmake libvsqlitepp-dev libboost-all-dev libxdg-basedir-dev
+      - rm -rf build && mkdir -p build && cd build
+      - cmake ..
+      - make VERBOSE=1
+      - make install DESTDIR=install
+  notify:
+    image: drillster/drone-email
+    pull: true
+    host: cryptoparty-celle.de
+    secrets: [ email_username, email_password ]
+    from: drone@tzend.de
+    when:
+      status: [ changed, failure ]

README.md

@@ -56,3 +56,12 @@ cmake ..
 make
 make install
 ```
+
+# Copyright
+
+```PLAIN
+Copyright © 2018 tastytea <tastytea@tastytea.de>.
+License GPLv3: GNU GPL version 3 <https://www.gnu.org/licenses/gpl-3.0.html>.
+This program comes with ABSOLUTELY NO WARRANTY. This is free software,
+and you are welcome to redistribute it under certain conditions.
+```