Fix README & status badge (#5)

.github/workflows/build.yml

@@ -0,0 +1,14 @@
+name: "Build"
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - run: |
+        npm install
+        npm run all

.github/workflows/pull-request-verification.yml

@@ -1,4 +1,4 @@
-name: "build-test"
+name: "Pull Request Verification"
 on:
   pull_request:
     types:

README.md

@@ -1,5 +1,5 @@
 <p align="center">
-  <a href="https://github.com/dorny/pr-changed-files-filter/actions"><img alt="typescript-action status" src="https://github.com/dorny/pr-changed-files-filter/workflows/build-test/badge.svg"></a>
+  <a href="https://github.com/dorny/pr-changed-files-filter/actions"><img alt="typescript-action status" src="https://github.com/dorny/pr-changed-files-filter/workflows/build/badge.svg"></a>
 </p>
 
 **CAUTION**: This action can be only used in a workflow triggered by `pull_request` event.
@@ -36,7 +36,6 @@ Output variables can be later used in the `if` clause to conditionally run speci
 
 ### Sample workflow
 ```yaml
-...
 name: Build verification
 
 on: