clean requirements, add install docs

README.md

@@ -2,9 +2,20 @@
 forked from https://github.com/KrzysztofSajdok/parser_OLX
 simple parser used to retrieve amount of sale, rent and exchange avertisements from OLX.pl in real estate category.
 
+Installation:
 ```
-python -m venv .venv && source .venv/bin/activate
-pip install -r requirements.txt
+python3 -m venv .venv && source .venv/bin/activate
+pip3 install -r requirements.txt
+sudo apt install chromium
+chromium --version
+```
+Then download the appropriate version of `chromedriver` from [this webpage](https://chromedriver.chromium.org/downloads), extract it, give execution permissions and put it in .venv/bin/. Here I'm downloading chromedriver for chromium 112
+```
+wget "https://chromedriver.storage.googleapis.com/112.0.5615.49/chromedriver_linux64.zip"
+unzip chromedriver_linux64.zip
+mv chromedriver .venv/bin
+chmod +x .venv/bin/chromedriver
+rm LICENSE.chromedriver chromedriver_linux64.zip
 ```
 
 `main.py` puts data in the database in the `olx_data` table.

requirements.txt

@@ -1,30 +1,4 @@
-async-generator==1.10
-attrs==21.4.0
-beautifulsoup4==4.11.1
-bs4==0.0.1
-certifi==2022.6.15
-cffi==1.15.1
-charset-normalizer==2.1.0
-cryptography==37.0.4
-h11==0.13.0
-idna==3.3
-lxml==4.9.1
-outcome==1.2.0
-pybrowsers==0.5.0
-pycparser==2.21
-pyOpenSSL==22.0.0
-PySocks==1.7.1
-python-dotenv==0.20.0
-pyxdg==0.28
-requests==2.28.1
 selenium==4.3.0
-sniffio==1.2.0
-sortedcontainers==2.4.0
-soupsieve==2.3.2.post1
-trio==0.21.0
-trio-websocket==0.9.2
-urllib3==1.26.10
-webdriver-manager==3.8.0
-wsproto==1.1.0
+bs4
 unidecode
 matplotlib