Update README and TODO

README.md

@@ -0,0 +1,38 @@
+## HSMAN
+
+Headscale admin application
+
+### Intro
+
+HSMAN is a Flask application (with some nice javascript) to administer an headscale installation.
+
+Currently it can manage users, nodes, routes, but I plan to add support for managing API keys too.
+
+### Deployment
+
+You can run the Flask application as any other Flask app, using `flask run` inside the root directory, or using `gunicorn` and the provided `gunicorn.conf.py` file, or you can build a docker image, using the files inside `docker` directory and then use the resulting docker image
+
+#### Settings
+
+There are some settings that must/can be provided to the application:
+
+| Variable                   | Usage                                    | Default |
+| -------------------------- | ---------------------------------------- | :-----: |
+| `APPLICATION_ROOT`         | Base URI path for the app                |   `/`   |
+| `HSMAN_SECRET_KEY`         | Flask app secret key                     |         |
+| `HSMAN_ADMIN_GROUPS`       | User groups that are considered admins   |         |
+| `HSMAN_OIDC_CLIENT_ID`     | OIDC client ID                           |         |
+| `HSMAN_OIDC_CLIENT_SECRET` | OIDC clietn secret                       |         |
+| `HSMAN_OIDC_URL`           | OIDC server URL                          |         |
+| `HSMAN_OIDC_REDIRECT_URI`  | OIDC redirect URI                        |         |
+| `HSAPI_SERVER`             | Headscale server URL                     |         |
+| `HSAPI_API_TOKEN`          | API token/key to access headscale server |         |
+
+The last two variables are then fed to `hsapi-client`, the module that we use to interact with Headscale APIs.
+
+### Requirements
+
+So far `HSMAN` requires to authenticate via OIDC, that is a secure setup, that you should implement on headscale too.
+You can use your own iDP, like `keycloak` or `dex` or use external iDP, like Google or Github, but the setup of this part is left to you, so far, we will document it later.
+
+In the future we could add support to run HSMAN without and iDP/OIDC server, but don't hold your breath ;)

TODO.md

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 - try to use a datatable for routes, with grouping
-- move to github and set up pipeline
+- API keys management;
+- Tag management on nodes;