ROPgadget: add page (#10640)

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

pages/common/ropgadget.md

@@ -0,0 +1,24 @@
+# ROPgadget
+
+> Find ROP gadgets in binary files.
+> More information: <https://github.com/JonathanSalwan/ROPgadget>.
+
+- List gadgets in the binary file:
+
+`ROPgadget --binary {{path/to/binary}}`
+
+- Filter gadgets in the binary file by a regular expression:
+
+`ROPgadget --binary {{path/to/binary}} --re {{regex}}`
+
+- List gadgets in the binary file, excluding specified type:
+
+`ROPgadget --binary {{path/to/binary}} --{{norop|nojob|nosys}}`
+
+- Exclude bad byte gadgets in the binary file:
+
+`ROPgadget --binary {{path/to/binary}} --badbytes {{byte_string}}`
+
+- List gadgets up to the specified number of bytes in the binary file:
+
+`ROPgadget --binary {{path/to/binary}} --depth {{nbyte}}`