feat(doc): #940 missing admonitions

docs/src/api/builtins/lint.md

@@ -370,7 +370,9 @@ Example:
 
 ## lintWithAjv
 
-:warning: This function is only available on Linux at the moment.
+???+ warning
+
+    This function is only available on Linux at the moment.
 
 Lints JSON and YAML data files
 with [JSON Schemas](https://json-schema.org/).

docs/src/api/builtins/security.md

@@ -1,6 +1,8 @@
 ## secureKubernetesWithRbacPolice
 
-:warning: This function is only available on Linux at the moment.
+???+ warning
+
+    This function is only available on Linux at the moment.
 
 Secure Kubernetes clusters
 with [rbac-police](https://github.com/PaloAltoNetworks/rbac-police).

docs/src/api/extensions/format-conversion.md

@@ -10,7 +10,7 @@ Types:
   - (`str`):
     JSON formatted string to convert.
 
-Examples:
+Example:
 
 === "main.nix"
 
@@ -66,7 +66,7 @@ Types:
   - (`str`):
     TOML formatted string to convert.
 
-Examples:
+Example:
 
 === "main.nix"
 
@@ -122,7 +122,7 @@ Types:
   - (`str`):
     YAML formatted string to convert.
 
-Examples:
+Example:
 
 === "main.nix"
 
@@ -181,7 +181,7 @@ Types:
     list of arguments
     to transform.
 
-Examples:
+Example:
 
 === "main.nix"
 
@@ -236,7 +236,7 @@ Types:
   - (`attrsOf strLike`):
     expression to transform.
 
-Examples:
+Example:
 
 === "main.nix"
 
@@ -293,7 +293,7 @@ Types:
   - (`anything`):
     Nix expression to convert.
 
-Examples:
+Example:
 
 === "main.nix"