clarify installation instructions

README.md

@@ -2,21 +2,41 @@
 
 ## Installation
 
-Follow these steps to initialize a development environment:
+Currently, this repository does only contain a plain `Django` app without a
+project. The app is not (yet) packaged. Therfore, the following steps are
+necessary to initialize a development environment:
 
-  1. Initialize _Django_ project
+  1. Initialize _Django_ project:
 
      ```
      django startproject PROJECT_NAME
      ```
-  2. Add `bam` to `INSTALLED_APPS` in the project's `settings.py`
-  3. Append `path('', include('bam.urls')),` to the project's `urls.py`
-  4. Initialize database
+
+  2. Clone this repository to a location outside the project directory.
+
+  3. Below the project directory, create a symlink called `bam` to the `bam`
+     folder of this repository, e.g.:
+
+     ```
+     ln -sr bam PROJECT_DIRECTORY/bam
+     ```
+
+  4. Add `bam` to `INSTALLED_APPS` in the project's `settings.py`.
+
+  5. Append `path('', include('bam.urls')),` to the project's `urls.py`.
+
+  6. Initialize database:
 
      ```
      ./manage.py migrate
      ```
 
+  7. Create a superuser account:
+
+     ```
+     ./manage.py createsuperuser
+     ```
+
 ## ToDo
 
 ### Essential
@@ -29,3 +49,5 @@ Follow these steps to initialize a development environment:
 
   * service-based logins
   * self-service registration
+  * package this app as a _Python_ module
+