More docs fixes (#3068)

* lost backtick

* back to short examples on docs front page

* publish sitemap_static.xml too

* add link to "fa" sitemap

* add "fa" to robots.txt

docs/en/data_types/nullable.md

@@ -52,4 +52,4 @@ FROM t_null
 └────────────┘
 
 2 rows in set. Elapsed: 0.144 sec.
-``
+```

docs/en/index.md

@@ -20,7 +20,7 @@ In a column-oriented DBMS, data is stored like this:
 
 | Row: | #0 | #1 | #2 | #N |
 | ----------- | ------------------- | ------------------- | ------------------- | ------------------- |
-| WatchID: | 5385521489354350662 | 5385521490329509958 | 5385521489953706054 | ... |
+| WatchID: | 89354350662 | 90329509958 | 89953706054 | ... |
 | JavaEnable: | 1 | 0 | 1 | ... |
 | Title: | Investor Relations | Contact us | Mission | ... |
 | GoodEvent: | 1 | 1 | 1 | ... |
@@ -61,11 +61,11 @@ Column-oriented databases are better suited to OLAP scenarios: they are at least
 
 **Row-oriented DBMS**
 
-![Row-oriented ]( images/row_oriented.gif#)
+![Row-oriented](images/row_oriented.gif#)
 
 **Column-oriented DBMS**
 
-![Column-oriented](images / column_oriented.gif#)
+![Column-oriented](images/column_oriented.gif#)
 
 See the difference?
 

docs/ru/index.md

@@ -5,10 +5,10 @@ ClickHouse - столбцовая система управления базам
 В обычной, "строковой" СУБД, данные хранятся в таком порядке:
 
 | Строка | WatchID     | JavaEnable | Title              | GoodEvent | EventTime           |
-| ------ | ------------------- | ---------- | ------------------ | --------- | ------------------- |
-| #0     | 5385521489354350662 | 1          | Investor Relations | 1         | 2016-05-18 05:19:20 |
-| #1     | 5385521490329509958 | 0          | Contact us         | 1         | 2016-05-18 08:10:20 |
-| #2     | 5385521489953706054 | 1          | Mission            | 1         | 2016-05-18 07:38:00 |
+| ------ | ----------- | ---------- | ------------------ | --------- | ------------------- |
+| #0     | 89354350662 | 1          | Investor Relations | 1         | 2016-05-18 05:19:20 |
+| #1     | 90329509958 | 0          | Contact us         | 1         | 2016-05-18 08:10:20 |
+| #2     | 89953706054 | 1          | Mission            | 1         | 2016-05-18 07:38:00 |
 | #N     | ...         | ...        | ...                | ...       | ...                 |
 
 То есть, значения, относящиеся к одной строке, физически хранятся рядом.
@@ -20,7 +20,7 @@ ClickHouse - столбцовая система управления базам
 
 | Строка:     | #0                  | #1                  | #2                  | #N                  |
 | ----------- | ------------------- | ------------------- | ------------------- | ------------------- |
-| WatchID:    | 5385521489354350662 | 5385521490329509958 | 5385521489953706054 | ...                 |
+| WatchID:    | 89354350662         | 90329509958         | 89953706054         | ...                 |
 | JavaEnable: | 1                   | 0                   | 1                   | ...                 |
 | Title:      | Investor Relations  | Contact us          | Mission             | ...                 |
 | GoodEvent:  | 1                   | 1                   | 1                   | ...                 |

website/gulpfile.js

@@ -26,7 +26,7 @@ var paths = {
     docstxt: ['docs/**/*.txt', 'docs/redirects.conf'],
     docsjson: ['docs/**/*.json'],
     docsxml: ['docs/**/*.xml'],
-    docssitemap: ['sitemap.xml'],
+    docssitemap: ['sitemap.xml', 'sitemap_static.xml'],
     scripts: [
         '**/*.js',
         '!gulpfile.js',

website/robots.txt

 User-agent: *
 Disallow: /docs/en/single/
 Disallow: /docs/ru/single/
+Disallow: /docs/fa/single/
 Disallow: /docs/en/search.html
 Disallow: /docs/ru/search.html
+Disallow: /docs/fa/search.html
 Disallow: /deprecated/reference_en.html
 Disallow: /deprecated/reference_ru.html
 Allow: /

website/sitemap.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+   <sitemap>
+      <loc>https://clickhouse.yandex/docs/en/sitemap.xml</loc>
+   </sitemap>
    <sitemap>
       <loc>https://clickhouse.yandex/docs/ru/sitemap.xml</loc>
    </sitemap>
    <sitemap>
-      <loc>https://clickhouse.yandex/docs/en/sitemap.xml</loc>
+      <loc>https://clickhouse.yandex/docs/fa/sitemap.xml</loc>
    </sitemap>
    <sitemap>
       <loc>https://clickhouse.yandex/docs/sitemap_static.xml</loc>