Fix typo and remove pycache folders

README.md

 # First steps to UniSport-O-Mat
 
 ## Some notes
-To ensure a clean development and production environment, we will use `virtualenv`. If you have not installed or used it yet, please reffer to the [official documentation](https://pypi.org/project/virtualenv/). 
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+To ensure a clean development and production environment, we will use `virtualenv`. If you have not installed or used it yet, please refer to the [official documentation](https://pypi.org/project/virtualenv/). 
 
 ## Starting `virtualenv`
+
 First create a new folder, in which you want to give this project a new home. Then, create a new `virtualenv` via this command in your terminal
+
 ```
 virtualenv -p python3 .
 ```
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 You'll see a few new folders and a config file for your `virtualenv`. You can start the new environment via this command in your terminal, depending on your OS. 
 
 Linux/MacOS:
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 ```
 source bin/activate
 ```
+
 Windows
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 ```
 Scripts/activate
 ```
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 If done correctly, you'll see the name of the virtual environment printed at the beginning of your command promt, eg. in bash:
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 ```
 (unisport-o-mat) 18:57:55 [foo@bar unisport-o-mat]$
 ```
 
 ## Cloning the project
+
 To clone the project via `git`, please enter one of these commands via your terminal, depending on your preferred way to authenticate.
 Via HTTPS:
+
 ```
 git clone https://git.imp.fu-berlin.de/swp-unisport/team-warumkeinrust/unisport-o-mat.git
 ```
 
 Via ssh:
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 ```
 git clone git@git.imp.fu-berlin.de:swp-unisport/team-warumkeinrust/unisport-o-mat.git
 ```
 
 ## Installing dependencies
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 You can verify that no python libraries are installed in your `virtualenv`, if you enter the following command via terminal. It should not return any modules right now.
+
 ```
 python -m pip freeze
 ```
 
 All required dependency, such as Django, will be installed via `pip` and a text file, such as `requirements.txt`. First, switch the current directory via `cd` into the cloned folder. Then, install the dependencies all at once via this command in your terminal.
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 ```
 python -m pip install -r requirements.txt
 ```
 
 ## Starting the django web server
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 To start the web server, change the directory via `cd` in the project folder. Here you will find the `manage.py` script, which will be used to start commands depending on the Django framework. Start the web server via this command in your terminal.
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 ```
 python manage.py runserver
 ```
-If successful, you can now see the running server in your browser at `http://127.0.0.1:8000`.
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\ No newline at end of file
+If successful, you can now see the running server in your browser at `http://127.0.0.1:8000`.