Update README.md

README.md

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 ===============
 
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+
+The hpi connect protal is the central tool to connect students from hpi to companies hiring tech talents.
+The portal contains multiple fuctionalities:
+- Registering as company/student
+- Setting up company/student profiles
+- Creating/Viewing Job offers
+- Enabling company staff to contact students
+
+Furhermore the connect portal is thh central organization tool for the HPI staff to organize alumni and equiping them with an alumni email adress. Therefore further admin functionalities are:
+- Exporting list of registered/unregistered alumni
+- Informing unregistered alumni
+- Exporting registered companies
+
+### Setup
+See the [installation guide](https://github.com/openHPI/hpi-connect-portal/wiki/Installation-Guide) in the wiki
+
+### Maintenance
+See the [Developer guide](https://github.com/openHPI/hpi-connect-portal/wiki/Entwicklerhandbuch) in the wiki
+
+### Contact
+This repository has been maintained by students of the HPI. Feel free to contact them if any problems/questions arise.