Upgrade to PixiJS v7, improve build process

.github/workflows/build.yml

@@ -0,0 +1,24 @@
+name: Build CI
+on:
+  push:
+    branches: [ '**' ]
+    tags: [ '**' ]
+  release:
+    types: [ 'created' ]
+  pull_request:
+    branches: [ '**' ]
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - name: Use Node.js 16.x
+      uses: actions/setup-node@v3
+      with:
+        node-version: 16
+    - name: Install npm
+      run: npm install -g npm@8
+    - name: Install dependencies
+      run: npm ci
+    - name: Build
+      run: npm run build

.gitignore

@@ -28,7 +28,6 @@ docs/
 .idea
 
 # tsc output
-compile
 dist
 lib
 index.d.ts

README.md

@@ -111,7 +111,7 @@ Navigate `pixi-layers` npm package, take `dist/pixi-layers.umd.js` file.
 ```
 
 ```js
-let layer = new PIXI.display.Layer();
+let layer = new PIXI.layers.Layer();
 ```
 
 ## Usage with canvas and particles

global.d.ts

@@ -4,6 +4,10 @@ declare namespace GlobalMixins {
         containerRenderCanvas?(renderer: import('@pixi/layers').ILayeredRenderer): void;
     }
 
+    export interface DisplayObjectEvents {
+        display: [import('@pixi/display').DisplayObject];
+    }
+
     export interface DisplayObject {
         parentGroup?: import('@pixi/layers').Group,