Update README, gifs

README.md

@@ -1,8 +1,11 @@
 # NeoTex
 
 This plugin compiles **latex** files **asynchronously** while edditing.
+
 The PDF output gives a **live preview** of your document as you type.
+
 You have the option to **highlight changes** from the previous save using latexdiff.
+
 *This plugin is experimental and not well tested*
 
 ### live preview of a latex document
@@ -11,14 +14,17 @@ You have the option to **highlight changes** from the previous save using latexd
 ![Demo2 gif](img/demo_2.gif?raw=true)
 
 ## Installation
+
 Install using the plugin manager you like.
+
 For example [vim-plug](https://github.com/junegunn/vim-plug):
-    ```
-        Plug 'donRaphaco/NeoTex', { 'for': 'tex' }
-    ```
+```vim
+Plug 'donRaphaco/NeoTex', { 'for': 'tex' }
+```
 Do `:UpdateRemotePlugins` after installing or updating!
 
 ## Usage
+
 For live previewing your latex file open the created PDF using a PDF viewer which supports auto reloading (I recommend zathura or evince).
 The PDF is created in the same folder where your latex file is stored.
 
@@ -33,8 +39,13 @@ The PDF is created in the same folder where your latex file is stored.
 | `g:neotex_pdflatex_add_options`   | -         | additional options for pdflatex (`-jobname=<filname>` and `-interaction=nonstopmode` is always set) |
 
 ## Commands
+
 | Command       | Description           |
 | ------------- | --------------------- |
 | `:NeoTex`     | Compile current buffer (asynchronously and without writing the file) |
 | `:NeoTexOn`   | Turn live compilation on (for current buffer) |
 | `:NeoTexOff`  | Turn live compilation off (for current bufffer) |
+
+## Tipp
+
+For better performance use a [precompiled preamble](http://tex.stackexchange.com/questions/79493/ultrafast-pdflatex-with-precompiling).