Enhancements: Upgraded Actions, Improved Logging, Restructured Project (#1)

* update python project use setup tools, and upgrade github action version

* add manual run trigger

* add check not found check

* remove TODO as not possible

* Update doc and add default value of non required config

---------

Co-authored-by: Snigdhajyoti Ghosh <snigdhasjg@users.noreply.github.com>

.dockerignore

@@ -1,5 +1,6 @@
 **
 
-!Pipfile
-!main.py
-!lib/
+!docker_nsupdate_ddns
+!pyproject.toml
+!README.md
+!LICENSE.md