Put all files and Path filters under a specific section (#64913)

Many of the filters in the "other useful filters" list manipulate filenames and paths; add a heading and put them together.

docs/docsite/rst/user_guide/playbooks_filters.rst

@@ -1195,24 +1195,8 @@ This can then be used to reference hashes in Pod specifications::
 
 .. versionadded:: 2.8
 
-Other Useful Filters
-````````````````````
-
-To add quotes for shell usage::
-
-    - shell: echo {{ string_value | quote }}
-
-To use one value on true and another on false (new in version 1.9)::
-
-    {{ (name == "John") | ternary('Mr','Ms') }}
-
-To use one value on true, one value on false and a third value on null (new in version 2.8)::
-
-   {{ enabled | ternary('no shutdown', 'shutdown', omit) }}
-
-To concatenate a list into a string::
-
-    {{ list | join(" ") }}
+File and Path manipulations
+```````````````````````````
 
 To get the last name of a file path, like 'foo.txt' out of '/etc/asdf/foo.txt'::
 
@@ -1267,6 +1251,25 @@ To get the root and extension of a path or filename (new in version 2.0)::
     # with path == 'nginx.conf' the return would be ('nginx', '.conf')
     {{ path | splitext }}
 
+Other Useful Filters
+````````````````````
+
+To add quotes for shell usage::
+
+    - shell: echo {{ string_value | quote }}
+
+To use one value on true and another on false (new in version 1.9)::
+
+    {{ (name == "John") | ternary('Mr','Ms') }}
+
+To use one value on true, one value on false and a third value on null (new in version 2.8)::
+
+   {{ enabled | ternary('no shutdown', 'shutdown', omit) }}
+
+To concatenate a list into a string::
+
+    {{ list | join(" ") }}
+
 To work with Base64 encoded strings::
 
     {{ encoded | b64decode }}