update tmux config to unify. Add Readme for tmux incl keybind cheatsheet

programs/tmux/README.md

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+# Tmux Cheatsheet
+
+## Prefix Key
+**Prefix:** `Ctrl-a`
+
+All commands below require pressing the prefix first, unless otherwise noted.
+
+## Copy Mode (Vi-style)
+
+| Key | Action |
+|-----|--------|
+| `Esc` or `Ctrl-[` | Enter copy mode |
+| `v` | Begin selection (in copy mode) |
+| `y` or `Enter` | Copy selection to macOS clipboard |
+| `p` | Paste from tmux buffer |
+
+## Pane Management
+
+### Creating Panes
+
+| Key | Action |
+|-----|--------|
+| `'` | Split pane horizontally (side by side) |
+| `-` | Split pane vertically (top/bottom) |
+
+### Navigating Panes
+
+| Key | Action |
+|-----|--------|
+| `h` | Move to left pane |
+| `j` | Move to down pane |
+| `k` | Move to up pane |
+| `l` | Move to right pane |
+| `Ctrl-j` | Cycle to next pane |
+
+### Resizing Panes
+
+| Key | Action |
+|-----|--------|
+| `H` | Resize pane left (10 units) |
+| `J` | Resize pane down (10 units) |
+| `K` | Resize pane up (10 units) |
+| `L` | Resize pane right (10 units) |
+
+## Window Management
+
+| Key | Action |
+|-----|--------|
+| `Ctrl-h` | Previous window |
+| `Ctrl-l` | Next window |
+
+## Session Management (TMS Integration)
+
+| Key | Action |
+|-----|--------|
+| `(` | Previous session (with refresh) |
+| `)` | Next session (with refresh) |
+| `Ctrl-o` | Open TMS popup for session switching |
+
+## Configuration Details
+
+- **Base Index:** Windows and panes start at 1 (not 0)
+- **Escape Time:** 10ms (for vim responsiveness)
+- **History Limit:** 10,000 lines
+- **Key Mode:** Vi
+- **Terminal:** xterm-256color
+- **Mouse:** Disabled
+- **Repeat Time:** 1000ms for repeatable commands
+- **Auto-renumber:** Windows are renumbered when one is closed
+- **Activity Monitoring:** Visual alerts when window has activity
+
+## Plugins
+
+- **sensible:** Sensible default settings
+- **tokyo-night-tmux:** Tokyo Night theme with transparency
+- **yank:** Better clipboard integration
+- **resurrect:** Save/restore tmux sessions
+- **continuum:** Auto-save sessions every 60 minutes