circleci: build with npm link

Author: JohannesHoppe

.circleci/config.yml

@@ -15,10 +15,10 @@ jobs:
       - checkout
 
       - restore_cache:
-          key: dependency-cache-{{ checksum "package.json" }}-{{ checksum "src/package.json" }}
+          key: dependency-cache-{{ checksum "src/package.json" }}
       - run: cd src && npm i --silent
       - save_cache:
-          key: dependency-cache-{{ checksum "package.json" }}-{{ checksum "src/package.json" }}
+          key: dependency-cache-{{ checksum "src/package.json" }}
           paths:
             - src/node_modules
       - run: cd src && npm run build

docs/README_contributors.md

@@ -107,8 +107,7 @@ Testing is done with [Jest](https://jestjs.io/).
 To run the tests:
 
 ```sh
-cd angular-cli-ghpages
-cd src
+cd angular-cli-ghpages/src
 npm test
 ```
 
@@ -125,8 +124,8 @@ Use VSCode and debug the task `Launch Standalone Program"`.
 ## Publish to npm
 
 ```
-cd angular-cli-ghpages
-cd src
+cd angular-cli-ghpages/src
 npm run build
 npm run test
+npm publish dist
 ```