README: update, remove category, add keywords

README.md

@@ -20,14 +20,16 @@ fake_traffic -h
 ```
 CLI examples:
 ```python3
-# user located in Turkey, who speaks Kurdish and is interested in hot stories
-fake_traffic -c tr -l ku-tr -ca h
+# user located in Austria, who speaks German, using comma separated keywords.
+fake_traffic -c at -l de-at -k "Olympiade, Medaille, Beste Leistung"
+# user located in Turkey, who speaks Kurdish, using google trends.
+fake_traffic -c tr -l ku-tr
 # save logs into 'fake_traffic.log'
-fake_traffic -c ru -l ru-ru -ca s -lf
+fake_traffic -c ru -l ru-ru -lf
 # use none-headless mode
-fake_traffic -c en -l en-us -ca t -nh
+fake_traffic -c en -l en-us -nh
 # limit the number of tabs in the browser to 2 
-fake_traffic -c en -l en-us -ca t -t 2
+fake_traffic -c en -l en-us -t 2
 ```
 ---
 ### Simple usage
@@ -45,17 +47,15 @@ ft = FakeTraffic(country="US", language="en-US", category="h", headless=True)
     """Internet traffic generator. Utilizes real-time google search trends by specified parameters.
     country = country code ISO 3166-1 Alpha-2 code (https://www.iso.org/obp/ui/),
     language = country-language code ISO-639 and ISO-3166 (https://www.fincher.org/Utilities/CountryLanguageList.shtml),
-    category = сategory of interest of a user (defaults to "h"):
-               "all" (all), "b" (business), "e" (entertainment), 
-               "m" (health), "s" (sports), "t" (sci/tech), "h" (top stories);
+    keywords = comma separated queries for Google searches, if not specified, Google trending is used,
     headless = True/False (defaults to True);
     tabs = limit the number of tabs in browser (defaults to 3).
     """
 ft.crawl()
 ```
 ---
 ### Example
-Using realtime search trends of a user located in Turkey, who speaks Kurdish and is interested in hot stories
+Using realtime search trends of a user located in Turkey, who speaks Kurdish
 
 Find Turkey country code ([ISO 3166-1 Alpha-2 code](https://www.iso.org/obp/ui/)):</br>
   - country = "TR" </br>
@@ -65,15 +65,12 @@ Find Turkey country-language code ([ISO-639 and ISO-3166](https://www.fincher.or
   - kurdish  "ku-TR", </br>
   - turkish  "tr-TR". </br>
 
-Set the category ("h", because the user in the example is interested in hot stories):
-  - category = "h"
-
 Starting in none-headless mode:
   - headless=False
 ```python3
 from fake_traffic import FakeTraffic
 
-ft = FakeTraffic(country="TR", language="ku-TR", category="h", headless=False)
+ft = FakeTraffic(country="TR", language="ku-TR", keywords=None, headless=False)
 ft.crawl()
 ```
 P.S. you can select language from other country. 
@@ -88,12 +85,12 @@ FakeTraffic(country="DE", language="hi-IN").crawl()
 Country   | Language  | Function                                     |
 ----------|---------- | ---------------------------------------------|
 France    | French    | `FakeTraffic(country="FR", language="fr-FR")` |
-Germany   | German    | `FakeTraffic(country="DE", language="de-DE", category="b")` |
-India     | English   | `FakeTraffic(country="IN", language="en-IN", category="all")` |
+Germany   | German    | `FakeTraffic(country="DE", language="de-DE", keywords="Audi")` |
+India     | English   | `FakeTraffic(country="IN", language="en-IN")` |
 India     | Hindi     | `FakeTraffic(country="IN", language="hi-IN")` |
-Russia    | English   | `FakeTraffic(country="RU", language="en-US", category="b", headless=False)` |
+Russia    | English   | `FakeTraffic(country="RU", language="en-US", headless=False)` |
 Russia    | Russian   | `FakeTraffic(country="RU", language="ru-RU")` |
-Brazil | Portuguese | `FakeTraffic(country="BR", language="pt-BR", category="s")` |
+Brazil | Portuguese | `FakeTraffic(country="BR", language="pt-BR")` |
 United Kingdom | English   | `FakeTraffic(country="GB", language="en-GB")` |
 United States  | English   | `FakeTraffic(country="US", language="en-US", tabs=4)` |
 United States  | Hebrew Israel   | `FakeTraffic(country="US", language="he-IL")` |