nu: Copy basic sh aliases

Held back a little by the issue that you can't really set aliases
conditionally (yet?) in nushell, which is kind of fundamental to my
zsh/sh alias setup. If a program exists, we add some nice aliases -- if
not, we simply degrade gracefully and don't add anything.

PR to track issue:
https://github.com/nushell/nushell/issues/5068

sh/.config/sh/alias

@@ -8,7 +8,10 @@ exist() { type "$1" >/dev/null 2>&1; }
 unalias -a
 
 if alias v >/dev/null 2>&1; then
-	if exist vim; then
+	if exist nvim; then
+	    alias v="nvim"
+		alias vim="vi"
+	elif exist vim; then
 		alias v="vim"
 	else
 		alias v="vi"

terminal/.config/nushell/autoload/alias.nu

@@ -0,0 +1,59 @@
+alias ":q" = exit # quit nushell
+
+def --wrapped vim [...rest] {
+    let cmds = which nvim vim vi | where path != ""
+    if ($cmds | is-empty) {
+        error make {msg: "No vi-like binary found."}
+    }
+    let c = $cmds | first | get path
+    ^$c ...$rest
+}
+alias v = vim # start ideal vim (nvim/vim/vi)
+
+alias l = ls # list files
+alias L = ls --all # list files including hidden
+alias ll = ls **/* # list files recursively
+alias LL = ls --all **/* # list files recursively including hidden
+# can additionally support `eza` output when
+# PR https://github.com/eza-community/eza/issues/768 lands
+
+# make directory
+alias md = mkdir
+# make and enter directory
+def --env mcd [path: path] {
+    mkdir $path
+    cd $path
+}
+
+alias cl = clear # clear screen
+
+# FIXME: cll functionality seems hard to accomplish?
+
+alias myip = http get icanhazip.com # return current ip
+
+def --env --wrapped vmm [...rest] {
+    if (which vifm | is-not-empty) {
+        let rest = $rest | each {path expand}
+        vifm ...$rest $env.PWD
+    } else {
+        print "No vifm executable found."
+    }
+}
+alias vm = vifm
+
+def --wrapped iv [...rest] {
+    let cmds = which vimiv imv nsxiv sxiv feh | where path != ""
+    if ($cmds | is-empty) {
+        error make {msg: "No image viewer binary found."}
+    }
+    let c = $cmds | first | get path
+    ^$c ...$rest
+}
+
+alias db = distrobox
+
+alias sc = sc-im
+
+# job control
+# TODO: requires minimum nushell: 0.103 for job control, how to check for it?
+alias fg = job unfreeze

terminal/.config/nushell/config.nu

@@ -146,17 +146,3 @@ $env.config.keybindings = [
         }
     }
 ]
-
-alias l = ls
-alias cl = clear
-
-alias md = mkdir
-def --env mcd [path: path] {
-    mkdir $path
-    cd $path
-}
-
-alias v = nvim
-
-# requires minimum nushell: 0.103 for job control
-alias fg = job unfreeze