refactor: reorganize scripts to idiomatic locations

tmux/scripts/tmux-sessionizer

@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+
+if [[ $# -eq 1 ]]; then
+    selected=$1
+else
+    selected=$(ggman ls \
+        | fzf --cycle \
+        --bind 'tab:toggle-up,btab:toggle-down' \
+        --header "Navigate with ARROW KEYS or TAB/S-TAB. Select with ENTER." \
+        --border "double" \
+        --border-label "tmux-sessionizer" \
+        --ansi \
+        --highlight-line \
+    )
+fi
+
+if [[ -z $selected ]]; then
+    exit 0
+fi
+
+selected_name="$(echo "$selected" | shasum -a 256 | head -c 4)_$(basename "$selected" | tr . _ | head -c 10)"
+
+if [[ -z $TMUX ]] && ! tmux list-sessions 2>/dev/null; then
+    tmux new-session -s "$selected_name" -c "$selected"
+    exit 0
+fi
+
+if ! tmux has-session -t="$selected_name" 2>/dev/null; then
+    tmux new-session -ds "$selected_name" -c "$selected"
+fi
+
+tmux switch-client -t "$selected_name"