Add example to the README

README.md

@@ -1,5 +1,7 @@
 # linkmapy
 
+Create a graph from the links on a website and the following sites.
+
 ## Dependencies
 
 - Python 3.9
@@ -29,6 +31,17 @@ pip install -r pip-dependencies.txt
   - `-h`, `--help`   show this help message and exit
   - `--dump`   Only output the found connections to the console and exit
   - `--max-depth N`   The maximum depth at which links will be followed (default: 3)
-  - `--max-links-per-site N`   The maximum amount of links on a page that will be included (default: 3)
+  - `--max-links-per-site N`   The maximum amount of links on a page that will be included (default: 3) *
   - `--http-download-limit NBYTES`   The maximum length of a requested html file download (in bytes) (default: 10000000)
   - `--log`   Log all visited sites and links to stderr
+
+\* when there are more than `max-links-per-site` links on the page, the program will pick `max-links-per-site` random links and ignore the rest.
+
+### Example
+
+```
+./linkmapy.py example.org
+```
+
+Result:
+![](misc/example_graph_screenshot.png)