[change] Move python dependencies to requirements.txt file #52

Closes #52

Author: shwetd19

files/requirements.txt

@@ -0,0 +1,3 @@
+Flask~=3.0.3
+uwsgi~=2.0.28
+Werkzeug~=3.0.3

tasks/pip.yml

@@ -20,13 +20,14 @@
   until: result is success
   notify: reload supervisor
 
-- name: Install Flask, Werkzeug and uWSGI
+- name: Copy requirements.txt
+  copy:
+    src: requirements.txt
+    dest: "{{ openwisp2_wireguard_path }}/requirements.txt"
+
+- name: Install Python dependencies
   pip:
-    name:
-      - "Flask~=3.0.3"
-      - "uwsgi~=2.0.26"
-      - "Werkzeug~=3.0.3"
-    state: latest
+    requirements: "{{ openwisp2_wireguard_path }}/requirements.txt"
     virtualenv: "{{ virtualenv_path }}"
     virtualenv_python: "{{ openwisp2_wireguard_python }}"
     virtualenv_site_packages: true