feat(no-types, implements-on-classes): add contexts option which if set to any will allow checking of virtual functions

Author: brettz9

.README/rules/implements-on-classes.md

@@ -9,9 +9,21 @@ To indicate that a function follows another function's signature, one might
 instead use `@type` to indicate the `@function` or `@callback` to which the
 funciton is adhering.
 
+#### Options
+
+##### `contexts`
+
+Set this to an array of strings representing the AST context
+where you wish the rule to be applied.
+Overrides the default contexts (see below). Set to `"any"` if you want
+the rule to apply to any jsdoc block throughout your files (as is necessary
+for finding function blocks not attached to a function declaration or
+expression, i.e., `@callback` or `@function` (or its aliases `@func` or
+`@method`) (including those associated with an `@interface`).
+
 |||
 |---|---|
-|Context|`ArrowFunctionExpression`, `FunctionDeclaration`, `FunctionExpression`|
+|Context|`ArrowFunctionExpression`, `FunctionDeclaration`, `FunctionExpression`; others when `contexts` option enabled|
 |Tags|`implements` (prevented)|
 
 <!-- assertions implementsOnClasses -->

.README/rules/no-types.md

@@ -5,9 +5,21 @@ This rule reports types being used on `@param` or `@returns`.
 The rule is intended to prevent the indication of types on tags where
 the type information would be redundant with TypeScript.
 
+#### Options
+
+##### `contexts`
+
+Set this to an array of strings representing the AST context
+where you wish the rule to be applied.
+Overrides the default contexts (see below). Set to `"any"` if you want
+the rule to apply to any jsdoc block throughout your files (as is necessary
+for finding function blocks not attached to a function declaration or
+expression, i.e., `@callback` or `@function` (or its aliases `@func` or
+`@method`) (including those associated with an `@interface`).
+
 |||
 |---|---|
-|Context|`ArrowFunctionExpression`, `FunctionDeclaration`, `FunctionExpression`|
+|Context|`ArrowFunctionExpression`, `FunctionDeclaration`, `FunctionExpression`; others when `contexts` option enabled|
 |Tags|`param`, `returns`|
 |Aliases|`arg`, `argument`, `return`|