feat(completions): add basic nushell completion file

Signed-off-by: Sandro-Alessio Gierens <sandro@gierens.de>

completions/nush/eza.nu

@@ -0,0 +1,49 @@
+export extern "eza" [
+    --version(-v)      # Show version of eza
+    --help(-?)      # Show list of command-line options
+    --oneline(-1)      # Display one entry per line
+    --long(-l)      # Display extended file metadata as a table
+    --grid(-G)      # Display entries in a grid
+    --across(-x)      # Sort the grid across, rather than downwards
+    --recurse(-R)      # Recurse into directories
+    --tree(-T)      # Recurse into directories as a tree
+    --classify(-F)      # Display type indicator by file names
+    --icons      # Display icons
+    --no-icons      # Don't display icons
+    --no-quotes      # Don't quote file names with spaces
+    --hyperlink      # Display entries as hyperlinks
+    --group-directories-first      # Sort directories before other files
+    --git-ignore      # Ignore files mentioned in '.gitignore'
+    --all(-a)      # Show hidden and 'dot' files. Use this twice to also show the '.' and '..' directories
+    --list-dirs(-d)      # List directories like regular files
+    --level(-L): string      # Limit the depth of recursion
+    --width(-w)      # Limits column output of grid, 0 implies auto-width
+    --reverse(-r)      # Reverse the sort order
+    --only-dirs(-D)      # List only directories
+    --only-files(-f)      # List only files
+    --binary(-b)      # List file sizes with binary prefixes
+    --bytes(-B)      # List file sizes in bytes, without any prefixes
+    --group(-g)      # List each file's group
+    --header(-h)      # Add a header row to each column
+    --links(-H)      # List each file's number of hard links
+    --inode(-i)      # List each file's inode number
+    --blocksize(-S)      # List each file's size of allocated file system blocks
+    --dereference(-X)      # dereference symlinks for file information
+    --modified(-m)      # Use the modified timestamp field
+    --numeric(-n)      # List numeric user and group IDs.
+    --changed      # Use the changed timestamp field
+    --accessed(-u)      # Use the accessed timestamp field
+    --created(-U)      # Use the created timestamp field
+    --no-permissions      # Suppress the permissions field
+    --octal-permissions(-o)      # List each file's permission in octal format
+    --no-filesize      # Suppress the filesize field
+    --no-user      # Suppress the user field
+    --no-time      # Suppress the time field
+    --mounts(-M)      # Show mount details
+    --git      # List each file's Git status, if tracked
+    --no-git      # Suppress Git status
+    --git-repos      # List each git-repos status and branch name
+    --git-repos-no-status      # List each git-repos branch name (much faster)
+    --extended(-@)      # List each file's extended attributes and sizes
+    --context(-Z)      # List each file's security context
+]