tests: add requirements file

Author: saitho

.github/workflows/release.yml

@@ -15,6 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
+      - run: pip install -r ./requirements/pip.txt
       - run: ansible-playbook ./__tests__/test-tf-generation.yml
   release:
     needs: test

README.md

@@ -2,6 +2,14 @@
 
 StackHead module for using Caddy as webserver.
 
+## System requirements
+
+The following software is required to use this module:
+
+* Python modules
+  * passlib
+  * bcrypt
+
 ## Installation
 
 Install it via `ansible-galaxy`:
@@ -10,14 +18,13 @@ Install it via `ansible-galaxy`:
 ansible-galaxy install getstackhead.stackhead_webserver_caddy
 ```
 
-In order to use Nginx with [StackHead](https://get.stackhead.io), set `stackhead__webserver` it in your inventory file:
+In order to use Caddy with [StackHead](https://get.stackhead.io), set `stackhead__webserver` it in your inventory file:
 
 ```yaml
-# inventory for integration test
 ---
 all:
   vars:
-    # Use Nginx as webserver
+    # Use Caddy as webserver
     stackhead__webserver: getstackhead.stackhead_webserver_caddy
   hosts:
     myserver:

requirements/pip.txt

@@ -0,0 +1,2 @@
+passlib
+bcrypt