feat(shell): oh-my-bash for bash

scripts/install-ohmybash.sh

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+#
+# Install oh-my-bash
+#
+# shellcheck source=shared.sh
+source "$HOME/.dotfiles/scripts/shared.sh"
+
+export OSH="$HOME/.local/share/oh-my-bash"
+
+if [ ! -d "$OSH" ]; then
+  [ -f "$HOME/.bashrc" ] && mv "$HOME/.bashrc" "$HOME/.bashrc.temp"
+  bash -c "$(curl -fsSL https://raw.githubusercontent.com/ohmybash/oh-my-bash/master/tools/install.sh)" --unattended
+  [ -f "$HOME/.bashrc.temp" ] && mv "$HOME/.bashrc.temp" "$HOME/.bashrc"
+else
+  msg_done "oh-my-bash ($OSH) already installed"
+fi