A runnable command

- Added backup sub-command
- Added better parsing for config file
- Basis for notifications, no running after a command yet
- Updated docs and added License

examples/backy.yaml

@@ -0,0 +1,68 @@
+commands:
+  stop-docker-container:
+    cmd: docker
+    cmdArgs:
+      - compose
+      - -f /some/path/to/docker-compose.yaml
+      - down
+    # if host is not defined, 
+    host: some-host 
+    env: ~/path/to/env/file
+  backup-docker-container-script:
+    cmd: /path/to/script
+    host: some-host
+    env: ~/path/to/env/file
+  shell-cmd:
+    cmd: rsync
+    shell: bash
+    cmdArgs:
+      - -av some-host:/path/to/data ~/Docker/Backups/docker-data
+  hostname:
+    cmd: hostname
+
+cmd-configs:
+  # this can be any name you want
+  cmds-to-run: 
+    # all commands have to be defined
+    order:
+      - stop-docker-container
+      - backup-docker-container-script
+      - shell-cmd
+      - hostname
+    notifications:
+      - matrix
+  hostname:
+    order:
+      - hostname
+    notifications:
+      - prod-email
+
+hosts:
+  some-host:
+    config:
+      usefile: true
+      user: root
+      private-key-path:
+
+logging:
+  verbose: true
+  file: /path/to/logs/commands.log
+
+
+notifications:
+  prod-email:
+    id: prod-email
+    type: mail
+    host: yourhost.tld:port
+    senderAddress: email@domain.tld
+    to:
+      - admin@domain.tld
+    username: smtp-username@domain.tld
+    password: your-password-here
+  matrix:
+    id: matrix
+    type: matrix
+    home-server: your-home-server.tld
+    room-id: room-id
+    access-token: your-access-token
+    user-id: your-user-id