Moved scripts to the overlay folder to be used as packages

All scripts have been moved to the overlay folder in the top level directory

Overlay is now instantiated per configuration to make use of the host variable

overlay/scripts/commands/viconf.nix

@@ -0,0 +1,40 @@
+{ pkgs }:
+pkgs.writeShellApplication {
+  name = "viconf";
+  runtimeInputs = with pkgs; [ coreutils fd ripgrep fzf ];
+  text = ''
+    #!/usr/bin/env bash
+
+    [ ! $# -eq 1 ] && echo "Usage: viconf <*.nix>" && exit 1
+
+    results=$(find "$FLAKEPATH" -wholename "*$1*" -exec find {} \; | sort | uniq | rg '\.nix$')
+    numresults=$(echo "$results" | wc -l)
+
+    [ "$numresults" -eq 0 ] && echo "$1 not found in \$FLAKEPATH" && exit 1
+
+    if [ "$numresults" -gt 1 ]; then
+      # cut up the paths to give shorter path names to fuzzy finder
+      results_prefix=$(echo "$results" | tail -n 1 | cut -d'/' -f-3)
+      results=$(echo "$results" | cut -d'/' -f4-)
+      results=$(echo "$results" | grep "$1")
+
+      file=$(echo "$results" | tr ' ' '\n' | fzf)
+      file="$results_prefix/$file"
+
+      # Check if the file contains any non-UTF-8 characters
+      if grep --color='auto' -P -q "[^\x00-\x7F]" "$file"; then
+        NIXD_FLAGS="--semantic-tokens=false" nvim "$results_prefix"/"$file"
+      else
+        nvim "$file"
+      fi
+
+    else
+      # Check if the file contains any non-UTF-8 characters
+      if grep --color='auto' -P -q "[^\x00-\x7F]" "$results"; then
+        NIXD_FLAGS="--semantic-tokens=false" nvim "$results"
+      else
+        nvim "$results"
+      fi
+    fi
+  '';
+}