Installation from .zip fails

Fixes #812

Author: spoorcc

README.md

@@ -46,7 +46,7 @@ pip install dfetch
 ### latest version
 
 ```bash
-pip install https://github.com/dfetch-org/dfetch/archive/main.zip
+pip install git+https://github.com/dfetch-org/dfetch.git#egg=dfetch
 ```
 
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