Add docs

docs/docs/dict.md

@@ -39,3 +39,30 @@ Contrary to the TS bindings for `Object.values`, the types are refined.
 const index = Dict.values({ foo: 1, bar: 2, baz: 3 });
 // [1, 2, 3];
 ```
+
+## Dict.fromOptional(dictOfOptions)
+
+Takes a dict whose values are `Option<unknown>` and returns a dict containing only the values contained in `Some`.
+
+```ts title="Examples"
+Dict.fromOptional({
+  foo: Option.Some(1),
+  bar: Option.None(),
+  baz: Option.None(),
+});
+// {foo: 1}
+
+Dict.fromOptional({
+  foo: Option.Some(1),
+  bar: Option.Some(2),
+  baz: Option.None(),
+});
+// {foo: 1, bar: 2}
+
+Dict.fromOptional({
+  foo: Option.None(),
+  bar: Option.None(),
+  baz: Option.None(),
+});
+// {}
+```