Apache version moved into the Attic (#106)

Disabling Actions to not take time up from other Apache projects.
Putting a notice that the Apache version of this project has been moved to the Apache Attic.
Putting a link to the spiritual successor of the project.
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
deleted file mode 100644
index d508772..0000000
--- a/.github/workflows/main.yml
+++ /dev/null
@@ -1,30 +0,0 @@
-name: CI
-
-on:
-  schedule:
-    - cron: "0 0 * * 0"
-  push:
-    branches:
-      - master
-  pull_request:
-    branches:
-      - master
-jobs:
-  build:
-    runs-on: ubuntu-16.04
-    steps:
-    - uses: actions/checkout@v1
-    - uses: actions/setup-java@v1
-      with:
-        java-version: '1.8'
-    - name: Cache gradle
-      uses: actions/cache@v1
-      with:
-        path: ~/.gradle/caches
-        key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle') }}
-        restore-keys: |
-          ${{ runner.os }}-gradle-
-    - name: Install Kerberos lib
-      run: sudo apt-get install libkrb5-dev
-    - name: Build components
-      run: TERM=dumb ./build-support/jenkins/build.sh
diff --git a/README.md b/README.md
index ccb432c..6f43f3e 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 ![Aurora Logo](docs/images/aurora_logo.png)
 
-![Build Status](https://github.com/apache/aurora/workflows/CI/badge.svg?branch=master)
+**NOTE: The Apache Aurora project has been moved into the [Apache Attic](https://attic.apache.org/).
+A fork led by members of the former Project Management Committee (PMC) can be found at https://github.com/aurora-scheduler**
 
 [Apache Aurora](https://aurora.apache.org/) lets you use an [Apache Mesos](http://mesos.apache.org)
 cluster as a private cloud. It supports running long-running services, cron jobs, and ad-hoc jobs.