add flowchart for pipeline

README.md

@@ -15,6 +15,26 @@ This repo uses [Pre-Commit](https://pre-commit.com/) to lint some things before
 1. [Install Pre-Commit](https://pre-commit.com/#install) according to there documentation on your system
 1. run `precommit install` in the root of the git repository to install the pre-commit
 
+### Pipeline Structure
+
+```mermaid
+flowchart LR
+    id1(yamllint) --> id2(check-changes-system)
+    id1 --> id3(check-changes-host-1)
+    id1 --> id4(check-changes-host-2)
+    id2 --> id5(update-repo-host-1)
+    id2 --> id6(update-repo-host-2)
+    id2 --> id7(Matrix: delpoyment-host-1)
+    id2 --> id8(Matrix: delpoyment-host-2)
+    id5 --> id7
+    id3 --> id7
+    id6 --> id8
+    id4 --> id8
+    id7 --> id9(review-host-1)
+    id8 --> id10(review-host-2)
+
+```
+
 ### Add a new Application
 
 - Create a folder for the application in `/services` and put docker-compose file and other configuration files in there