Changed . token to _dot

This change allows the dotfiles to work with chezmoi (e.g: on windows)
and improves grepability with neovim/telescope

dot_config/nushell/nu_scripts/custom-completions/tcpdump/tcpdump-completions.nu

@@ -0,0 +1,19 @@
+# Print each packet in ASCII
+extern "tcpdump" [
+	--list-interfaces(-D)					# Print the list of the network interfaces
+	--help(-h)					# Print version strings and a usage message
+	--version					# Print the tcpdump and libpcap version strings
+	--monitor-mode(-I)					# Put the interface in monitor mode
+	--immediate-mode					# Capture in immediate mode
+	--list-time-stamp-types(-J)					# List the supported time stamp types for the interface
+	--dont-verify-checksums(-K)					# Dont attempt to verify IP, TCP, or UDP checksums
+	--list-data-link-types(-L)					# List the known data link types for the interface
+	--number							# Print an optional packet number
+	# breaks the parser
+	# --number(-\#)					# Print an optional packet number
+	--no-optimize(-O)					# Do not run the packet-matching code optimizer
+	--no-promiscuous-mode(-p)					# Dont put the interface into promiscuous mode
+	--absolute-tcp-sequence-numbers(-S)					# Print absolute TCP sequence numbers
+	--packet-buffered(-U)					# Make the packet output packet-buffered
+	...args
+]