feat: structure work

- split files/ into separate dirs
- rename scripts/ to script/, remove .sh extensions
- remove publish scripts, tf module, use github host
- remove unused install files

script/install.d/02-fish.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+fish --version
+
+current_shell=$(grep "^$USER" /etc/passwd)
+current_shell=${current_shell##*:}
+fish_shell=$(command -v fish)
+if [[ "$current_shell" != "$fish_shell" ]]; then
+    sudo usermod --shell "$fish_shell" "$USER"
+fi
+
+fisher_location="$XDG_CONFIG_HOME/fish/functions/fisher.fish"
+if ! [ -f $fisher_location ]; then
+    fish -c "curl -sL https://git.io/fisher | source && fisher update"
+fi
+
+fish -c "fisher update"
+fish -c "fisher --version"