Raise .env version to 5.0.3-14 to include ES 7.16.2 (#266)

* Raise .env version to 5.0.3-14 to include ES 7.16.2

* Maintenance: Test raised linter version from 3 to 4

* Maintenance: Adjust readme according to linters complaints

* Maintenance: Fix typos

.env

@@ -5,4 +5,4 @@ POSTGRES_USER=zammad
 REDIS_URL=redis://zammad-redis:6379
 RESTART=always
 # don't forget to add the minus before the version
-VERSION=-5.0.3-7
+VERSION=-5.0.3-14

.github/workflows/ci.yaml

@@ -34,7 +34,7 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Lint Code Base
-        uses: github/super-linter@v3
+        uses: github/super-linter@v4
         env:
           DEFAULT_BRANCH: master
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

README.md

@@ -2,17 +2,17 @@
 
 Zammad is a web based open source helpdesk/ticket system with many features
 to manage customer communication via several channels like telephone, facebook,
-twitter, chat and e-mails. It is distributed under the GNU AFFERO General Public
- License (AGPL). Do you receive many e-mails and want to answer them with a team of agents?
+twitter, chat and emails. It is distributed under the GNU AFFERO General Public
+ License (AGPL). Do you receive many emails and want to answer them with a team of agents?
 You're going to love Zammad!
 
-## Use case for this repo
+## Use case for this repository
 
-This repo is meant to be the starting point for somebody who likes to use dockerized multi-container Zammad in production.
+This repository is meant to be the starting point for somebody who likes to use dockerized multi-container Zammad in production.
 
 ## Getting started with zammad-docker-compose
 
-<https://docs.zammad.org/en/latest/install-docker-compose.html>
+[Learn more on Zammads documentation](https://docs.zammad.org/en/latest/install/docker-compose.html)
 
 ## CI Status