restore install appendix (#955)

* update paddle-mobile doc

* delete untracked file

* add install appendix

* add install appendix

* add install appendix

* add install appendix

doc/fluid/beginners_guide/install/index_cn.rst

@@ -49,3 +49,4 @@ PaddlePaddle目前支持以下环境：
 	install_Windows.md
 	install_Docker.md
 	compile/fromsource.rst
+	Tables.md

doc/fluid/beginners_guide/install/index_en.rst

@@ -42,3 +42,4 @@ And the installation assumes your computer possesses 64-bit operating system, an
 	install_MacOS_en.md
 	install_Windows_en.md
 	compile/fromsource_en.rst
+	Tables_en.md