Update document generation script

operators/unique.md

@@ -3,24 +3,18 @@
 This is used to filter out duplicated items in an array.
 
 ## Unique array of scalars (string/numbers)
-
 Given a sample.yml file of:
-
 ```yaml
 - 1
 - 2
 - 3
 - 2
 ```
-
 then
-
 ```bash
 yq eval 'unique' sample.yml
 ```
-
 will output
-
 ```yaml
 - 1
 - 2
@@ -28,60 +22,46 @@ will output
 ```
 
 ## Unique nulls
-
 Unique works on the node value, so it considers different representations of nulls to be different
 
 Given a sample.yml file of:
-
 ```yaml
 - ~
 - null
 - ~
 - null
 ```
-
 then
-
 ```bash
 yq eval 'unique' sample.yml
 ```
-
 will output
-
 ```yaml
 - ~
 - null
 ```
 
 ## Unique all nulls
-
 Run against the node tag to unique all the nulls
 
 Given a sample.yml file of:
-
 ```yaml
 - ~
 - null
 - ~
 - null
 ```
-
 then
-
 ```bash
 yq eval 'unique_by(tag)' sample.yml
 ```
-
 will output
-
 ```yaml
 - ~
 ```
 
 ## Unique array object fields
-
 Given a sample.yml file of:
-
 ```yaml
 - name: harry
   pet: cat
@@ -90,18 +70,15 @@ Given a sample.yml file of:
 - name: harry
   pet: dog
 ```
-
 then
-
 ```bash
 yq eval 'unique_by(.name)' sample.yml
 ```
-
 will output
-
 ```yaml
 - name: harry
   pet: cat
 - name: billy
   pet: dog
 ```
+