Added magic-enter plugin

To bind commonly used tasks to the enter key

plugins/magic-enter/Readme.md

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+## Magic Enter
+
+**Maintainer:** [@dufferzafar](https://github.com/dufferzafar)
+
+Makes your enter key magical, by binding commonly used commands to it.

plugins/magic-enter/magic-enter.plugin.zsh

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+# Bind quick stuff to enter!
+#
+# Pressing enter in a git directory runs `git status`
+# in other directories `ls`
+magic-enter () {
+  if [[ -z $BUFFER ]]; then
+    echo ""
+    if git rev-parse --is-inside-work-tree &>/dev/null; then
+      git status -u .
+    else
+      ls -lh
+    fi
+    zle redisplay
+  else
+    zle accept-line
+  fi
+}
+zle -N magic-enter
+bindkey "^M" magic-enter