feat: move configuration files inside home folder

home/.config/zsh/ohmyzsh/plugins/copybuffer/README.md

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+# `copybuffer` plugin
+
+This plugin adds the <kbd>ctrl-o</kbd> keyboard shortcut to copy the current text
+in the command line to the system clipboard.
+
+This is useful if you type a command - and before you hit enter to execute it - want
+to copy it maybe so you can paste it into a script, gist or whatnot.
+
+```zsh
+plugins=(... copybuffer)
+```

home/.config/zsh/ohmyzsh/plugins/copybuffer/copybuffer.plugin.zsh

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+# copy the active line from the command line buffer
+# onto the system clipboard
+
+copybuffer () {
+  if builtin which clipcopy &>/dev/null; then
+    printf "%s" "$BUFFER" | clipcopy
+  else
+    zle -M "clipcopy not found. Please make sure you have Oh My Zsh installed correctly."
+  fi
+}
+
+zle -N copybuffer
+
+bindkey -M emacs "^O" copybuffer
+bindkey -M viins "^O" copybuffer
+bindkey -M vicmd "^O" copybuffer