add search highlight & enhance plugins update script

Author: TTWShell

install-plugins.sh

@@ -27,6 +27,7 @@ function init {
 if [[ $1 = "init" ]]; then
     init
 elif [[ $1 = "update" ]]; then
+    install
     update
 else
     install

vimrc

@@ -91,6 +91,7 @@ autocmd! BufWritePost ~/.vimrc source ~/.vimrc
 set encoding=utf-8
 set fencs=utf-8,gb2312,gbk     " Sets the default encoding
 set nu
+set hlsearch
 
 " toggle line number and vim-gitgutter
 map <F2> :set number! \| GitGutterToggle<cR>