Update readme and link to new architecture docs, fix Sanic name

README.md

@@ -4,12 +4,19 @@ This repository contains the source code required to run the
 [OpenBikeSensor](https://openbikesensor.org) data collection portal. It is
 separated into components:
 
-* **api**: The backend service, written in JavaScript for Node.js, using
-  express.js, and a MongoDB for metadata storage.
+* **api**: The backend service, written in Python 3 with
+  [Sanic](https://sanicframework.org/),
+  [SQLAlchemy](https://www.sqlalchemy.org/), and a PostgreSQL/PostGIS database
+  for storage. It also depends highly on
+  [OpenMapTiles](https://openmaptiles.org) to generate vector tiles of the
+  data.
 * **frontend**: A React single-page application that allows access to the data,
   provides summaries and visualizations, and lets users adjust settings and
   manage and publish their tracks.
 
+Check out the [Architecture Documentation](docs/architecture.md) for more
+details on what parts the whole application is made of.
+
 ## Clone the Project
 
 First of all, you must clone this project. This project uses submodules,

deployment/README.md

@@ -80,7 +80,7 @@ string.
 
 Also set `PROXIES_COUNT = 1` in your config, even if that option is not
 included in the example file. Read the 
-[sanic docs](https://sanicframework.org/en/guide/advanced/proxy-headers.html) 
+[Sanic docs](https://sanicframework.org/en/guide/advanced/proxy-headers.html) 
 for why this needs to be done. If your reverse proxy supports it, you can also
 use a forwarded secret to secure your proxy target from spoofing. This is not
 required if your application server does not listen on a public interface, but

docs/architecture.md

@@ -7,7 +7,7 @@ different.  This article describes the standard production setup.
 
 ## General overview of the components
 
-* **api**: A python process using sanic to provide a HTTP interface. Everything
+* **api**: A python process using Sanic to provide a HTTP interface. Everything
   revolves around this.
 * **postgresql**: A database instance.
 * **frontend**: A React based web application.
@@ -36,7 +36,7 @@ the developers of the OpenBikeSensor portal.
 
 ## API
 
-The API is written in Python 3 with [sanic](https://sanicframework.org/) for
+The API is written in Python 3 with [Sanic](https://sanicframework.org/) for
 HTTP handling. It supports Python 3.6+ and comes with a list of dependencies
 that is required. One of those is `openmaptiles-tools`, which is installed from
 git (see `api/requirements.txt`). The API also depends on the `obs.face`