Add environment and build/run instructions

README.md

@@ -9,3 +9,20 @@ Angular 9 based website with pages for:
 
 
 In the future it would be nice to host a little blog with this site, but first to write some blog posts..
+
+
+# Environment
+- `node 13.10.*`
+- `npm 6.14.*`
+
+
+# Build/Run
+- `npm install`
+- `npm install -g @angular/cli@9.0.5`
+- `ng build` to build
+- `ng serve` to run locally on port 4200
+- `ng test` to run unit tests
+
+
+# Build for production
+`./docker-build.sh`