Add clarification in subproperty and hook docs that it is min/max Length not value (#915)

Author: mmaeng

src/rpdk/core/templates/docs-subproperty.md

@@ -58,11 +58,11 @@ _Allowed Values_: {% for allowedvalue in prop.allowedvalues %}<code>{{ allowedva
 {% endif %}
 {% if prop.minLength %}
 
-_Minimum_: <code>{{ prop.minLength }}</code>
+_Minimum Length_: <code>{{ prop.minLength }}</code>
 {% endif %}
 {% if prop.maxLength %}
 
-_Maximum_: <code>{{ prop.maxLength }}</code>
+_Maximum Length_: <code>{{ prop.maxLength }}</code>
 {% endif %}
 {% if prop.pattern %}
 

src/rpdk/core/templates/hook-docs-readme.md

@@ -54,11 +54,11 @@ _Allowed Values_: {% for allowedvalue in prop.allowedvalues %}<code>{{ allowedva
 {% endif %}
 {% if prop.minLength %}
 
-_Minimum_: <code>{{ prop.minLength }}</code>
+_Minimum Length_: <code>{{ prop.minLength }}</code>
 {% endif %}
 {% if prop.maxLength %}
 
-_Maximum_: <code>{{ prop.maxLength }}</code>
+_Maximum Length_: <code>{{ prop.maxLength }}</code>
 {% endif %}
 
 {% endif %}