rw-r-r-0644/setting up pwndbg in pwntools

## setting up pwndbg in pwntools
NOTE: If you configured gdb to always include pwndbg extensions through gdbinit.py in ~/.gdbinit then this instructions aren't necessary

When using gdb.attach(), pwntools will try to load from path (in order of priority):
- pwntools-gdb
- gdb
ref: https://github.com/Gallopsled/pwntools/blob/f38991b/pwnlib/gdb.py#L755

Therefore, if we create a symlink to our desired debugger (such as pwndbg) with name pwntools-gdb, pwntools will use it in place of gdb.

You can create such a symlink by running this as root:
# ln -s "$(which pwndbg)" "$(dirname $(which pwndbg))/pwntools-gdb"
	NOTE: If you configured gdb to always include pwndbg extensions through gdbinit.py in ~/.gdbinit then this instructions aren't necessary

	When using gdb.attach(), pwntools will try to load from path (in order of priority):
	- pwntools-gdb
	- gdb
	ref: https://github.com/Gallopsled/pwntools/blob/f38991b/pwnlib/gdb.py#L755

	Therefore, if we create a symlink to our desired debugger (such as pwndbg) with name pwntools-gdb, pwntools will use it in place of gdb.

	You can create such a symlink by running this as root:
	# ln -s "$(which pwndbg)" "$(dirname $(which pwndbg))/pwntools-gdb"
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