reg-query: add page (#1909)

pages/windows/reg-query.md

@@ -0,0 +1,23 @@
+# reg query
+
+> Display the values of keys and sub keys in the registry.
+
+- Display all values of a key:
+
+`reg query {{key_name}}`
+
+- Display a specific value of a key:
+
+`reg query {{key_name}} /v {{value}}`
+
+- Display all values of a key and its sub keys:
+
+`reg query {{key_name}} /s`
+
+- Search for keys and values matching a specific pattern:
+
+`reg query {{key_name}} /f "{{query_pattern}}"`
+
+- Display a value of a key matching a specified data type:
+
+`reg query {{key_name}} /t {{type}}`