Fixed localhost:3000 links in the docs (#1032)

Summary:
![bug](https://user-images.githubusercontent.com/2487946/77498613-6d501980-6e26-11ea-955e-3102aa254bcf.gif)

Fixed a bug in the documentation which was using incorrect 'localhost:3000' urls.

Signed-off-by: kwojcicki <[email protected]>
Pull Request resolved: https://github.com/facebookresearch/fastText/pull/1032

Reviewed By: EdouardGrave

Differential Revision: D20670375

Pulled By: Celebio

fbshipit-source-id: 3264ffbfedeb274128981b73550afb1a54ccd2ed

.gitignore

@@ -5,3 +5,5 @@
 data
 fasttext
 result
+website/node_modules/
+

docs/crawl-vectors.md

@@ -9,7 +9,7 @@ We also distribute three new word analogy datasets, for French, Hindi and Polish
 
 ### Download directly with command line or from python
 
-In order to download with command line or from python code, you must have installed the python package as [described here](http://localhost:3000/docs/en/support.html#building-fasttext-python-module).
+In order to download with command line or from python code, you must have installed the python package as [described here](/docs/en/support.html#building-fasttext-python-module).
 
 <!--DOCUSAURUS_CODE_TABS-->
 <!--Command line-->
@@ -34,7 +34,7 @@ Query word?
 ### Adapt the dimension
 
 The pre-trained word vectors we distribute have dimension 300. If you need a smaller size, you can use our dimension reducer.
-In order to use that feature, you must have installed the python package as [described here](http://localhost:3000/docs/en/support.html#building-fasttext-python-module).
+In order to use that feature, you must have installed the python package as [described here](/docs/en/support.html#building-fasttext-python-module).
 
 For example, in order to get vectors of dimension 100:
 <!--DOCUSAURUS_CODE_TABS-->