feat: add support for ng7

ngx-electron got some love and finally supports angular 7

BREAKING CHANGE: Module has been re-written using angular-cli library schema, this may lead to
breaking changes depending on your packaging mechanism

.travis.yml

@@ -1,21 +1,22 @@
 language: node_js
-cache:
-  directories:
-    - node_modules
+sudo: required
 notifications:
   email: false
 node_js:
-  - '7'
-  - '6'
-  - '4'
+  - '10'
 before_install:
- -  export CHROME_BIN=chromium-browser
-before_script:
-  - npm prune
-  - export DISPLAY=:99.0
-  - sh -e /etc/init.d/xvfb start
+  - export CHROME_BIN=chromium-browser
+  - if [[ `npm -v` != 6* ]]; then npm i -g npm@6; fi
 after_success:
+  - npm run build
+  - cp .git dist/ngx-electron/ -r
+  - cp README.md dist/ngx-electron/
+  - cd dist/ngx-electron/
+  - npm install
   - npm run semantic-release
 branches:
   except:
     - /^v\d+\.\d+\.\d+$/
+before_script:
+  - export DISPLAY=:99.0
+  - sh -e /etc/init.d/xvfb start

angular.json

@@ -0,0 +1,43 @@
+{
+    "$schema": "./node_modules/@angular/cli/lib/config/schema.json",
+    "version": 1,
+    "newProjectRoot": "projects",
+    "projects": {
+        "ngx-electron": {
+            "root": "projects/ngx-electron",
+            "sourceRoot": "projects/ngx-electron/src",
+            "projectType": "library",
+            "prefix": "lib",
+            "architect": {
+                "build": {
+                    "builder": "@angular-devkit/build-ng-packagr:build",
+                    "options": {
+                        "tsConfig": "projects/ngx-electron/tsconfig.lib.json",
+                        "project": "projects/ngx-electron/ng-package.json"
+                    }
+                },
+                "test": {
+                    "builder": "@angular-devkit/build-angular:karma",
+                    "options": {
+                        "main": "projects/ngx-electron/test.ts",
+                        "tsConfig": "projects/ngx-electron/tsconfig.tests.json",
+                        "karmaConfig": "projects/ngx-electron/karma.conf.js"
+                    }
+                },
+                "lint": {
+                    "builder": "@angular-devkit/build-angular:tslint",
+                    "options": {
+                        "tsConfig": [
+                            "projects/ngx-electron/tsconfig.lib.json",
+                            "projects/ngx-electron/tsconfig.tests.json"
+                        ],
+                        "exclude": [
+                            "**/node_modules/**"
+                        ]
+                    }
+                }
+            }
+        }
+    },
+    "defaultProject": "ngx-electron"
+}