feat/123: enable linux build (#127)

* feat/123: enable linux build
* feat/123: style: handle window width gracefully
* feat/123: update README

server/package.json

@@ -1,6 +1,6 @@
 {
   "name": "ontime",
-  "version": "1.0.2",
+  "version": "1.1.0",
   "author": "Carlos Valente",
   "description": "Time keeping for live events",
   "repository": "https://github.com/cpvalente/ontime",
@@ -39,6 +39,7 @@
     "dist": "electron-builder",
     "dist-win": "electron-builder --publish=never  --x64 --win",
     "dist-mac": "electron-builder --publish=never  --x64 --mac",
+    "dist-linux": "electron-builder --publish=never  --x64 --linux",
     "dist-all": "electron-builder -mw"
   },
   "jest": {
@@ -77,6 +78,10 @@
       "installerSidebar": "ontime-install.bmp",
       "uninstallerSidebar": "ontime-uninstall.bmp"
     },
+    "linux": {
+      "target": "AppImage",
+      "artifactName": "ontime-linux.AppImage"
+    },
     "files": [
       "**/*",
       "assets/",