fix: improve documentation

Author: Angular2Guy

README.md

@@ -1,6 +1,6 @@
 # NgxSimpleCharts
 
-This is a small chart library for Angular based on D3js. It currently supports single line and multi line charts with a legend. Bar charts are now supported too. Its purpose is to enable fast updates to new Angular versions. To enable the fast updates and due to limited time the library will continue have a small feature set. 
+This is a small chart library for Angular based on D3js. It currently supports single line and multi line charts with a legend. Bar charts are now supported too. The Bar charts and line charts are in separate entry points to enable the Angular Compiler to  put only the required code in the modules that use the features. Its purpose is to enable fast updates to new Angular versions. To enable the fast updates and due to limited time the library will continue have a small feature set. 
 
 ## Minimum Supported Angular Version
 Angular 13

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ngx-simple-charts",
-  "version": "13.1.0",
+  "version": "13.1.1",
   "license": "Apache License Version 2.0",
   "scripts": {
     "ng": "ng",

projects/ngx-simple-charts/README.md

@@ -1,13 +1,14 @@
 # NgxSimpleCharts
 
-This is a small chart library for Angular based on D3js. It currently supports single line and multi line charts with a legend. Bar charts are now supported too. Its purpose is to enable fast updates to new Angular versions. To enable the fast updates and due to limited time the library will continue have a small feature set. 
+This is a small chart library for Angular based on D3js. It currently supports single line and multi line charts with a legend. Bar charts are now supported too. The Bar charts and line charts are in separate entry points to enable the Angular Compiler to  put only the required code in the modules that use the features. Its purpose is to enable fast updates to new Angular versions. To enable the fast updates and due to limited time the library will continue have a small feature set. 
 
 ## Minimum Supported Angular Version
 Angular 13
 
 ## Articles
 * [Developing and Using Angular Libraries](https://angular2guy.wordpress.com/2021/07/31/developing-and-using-angular-libraries/)
 * [Ngx-Simple-Charts multiline and legend support howto](https://angular2guy.wordpress.com/2021/10/02/ngx-simple-charts-multiline-and-legend-support-howto/)
+* [Multiple Entry Points for the NgxSimpleCharts Angular Library](https://angular2guy.wordpress.com/2021/12/26/multiple-entry-points-for-ngxsimplecharts-angular-library/)
 
 ## Line Charts
 To use the line chart component this module has to be imported: [NgxSimpleChartsModule](https://github.com/Angular2Guy/ngx-simple-charts/blob/master/projects/ngx-simple-charts/src/lib/ngx-simple-charts.module.ts)

projects/ngx-simple-charts/package.json

@@ -1,6 +1,6 @@
 {
   "name": "ngx-simple-charts",
-  "version": "13.1.0",
+  "version": "13.1.1",
   "license": "Apache License Version 2.0",
   "peerDependencies": {
     "@angular/common": "^13.0.0",