New profile: erd.profile (#6236)

Description: Multi-threaded file-tree visualizer and disk usage
analyzer.

https://github.com/solidiquis/erdtree
https://archlinux.org/packages/extra/x86_64/erdtree/

Note: The repo and package are called `erdtree`, but the executable is
`erd`.

etc/profile-a-l/erd.profile

@@ -0,0 +1,44 @@
+# Firejail profile for erd
+# Description: Multi-threaded file-tree visualizer and disk usage analyzer
+# This file is overwritten after every install/update
+quiet
+# Persistent local customizations
+include erd.local
+# Persistent global definitions
+include globals.local
+
+blacklist /tmp/.X11-unix
+
+include disable-exec.inc
+
+apparmor
+caps.drop all
+ipc-namespace
+machine-id
+net none
+no3d
+nodvd
+nogroups
+noinput
+nonewprivs
+noprinters
+noroot
+nosound
+notv
+nou2f
+novideo
+seccomp socket
+seccomp.block-secondary
+x11 none
+
+# private-bin erd does work but defeats the purpose of this app
+#private-bin erd
+private-dev
+
+dbus-user none
+dbus-system none
+
+memory-deny-write-execute
+read-only ${HOME}
+read-only ${RUNUSER}
+restrict-namespaces

src/firecfg/firecfg.config

@@ -243,6 +243,7 @@ eom
 ephemeral
 #epiphany # see #2995
 equalx
+erd
 et
 etr
 evince