Update document generation script

operators/select.md

@@ -3,50 +3,39 @@
 Select is used to filter arrays and maps by a boolean expression.
 
 ## Select elements from array
-
 Given a sample.yml file of:
-
 ```yaml
 - cat
 - goat
 - dog
 ```
-
 then
-
 ```bash
 yq eval '.[] | select(. == "*at")' sample.yml
 ```
-
 will output
-
 ```yaml
 cat
 goat
 ```
 
 ## Select and update matching values in map
-
 Given a sample.yml file of:
-
 ```yaml
 a:
   things: cat
   bob: goat
   horse: dog
 ```
-
 then
-
 ```bash
 yq eval '(.a.[] | select(. == "*at")) |= "rabbit"' sample.yml
 ```
-
 will output
-
 ```yaml
 a:
   things: rabbit
   bob: rabbit
   horse: dog
 ```
+