arjun: add page (#20656)

Co-authored-by: Emmanuel Ferdman <emmanuelferdman@gmail.com>
Co-authored-by: Managor <42655600+Managor@users.noreply.github.com>

pages/common/arjun.md

@@ -0,0 +1,24 @@
+# arjun
+
+> Discover HTTP parameters for web applications.
+> More information: <https://github.com/s0md3v/Arjun/wiki/Usage>.
+
+- Scan a URL for GET parameters:
+
+`arjun -u {{https://example.com/page.php}}`
+
+- Scan using POST method:
+
+`arjun -u {{https://example.com/api}} -m POST`
+
+- Save discovered parameters to a JSON file:
+
+`arjun -u {{https://example.com}} -o {{path/to/output.json}}`
+
+- Use a custom wordlist:
+
+`arjun -u {{https://example.com}} -w {{path/to/wordlist.txt}}`
+
+- Increase request delay by specific amount of seconds to avoid rate limiting:
+
+`arjun -u {{https://example.com}} -d {{2}}`