type: accept string in the aspectRatio property of flex image and flex icon (#212)

* type: accept string in the aspectRatio property of flex image and flex icon

* type: remove the iterate string union type in aspectRatio

Author: chentsulin

lib/types.ts

@@ -1181,9 +1181,12 @@ export type FlexIcon = {
     | "4xl"
     | "5xl";
   /**
-   * Aspect ratio of the icon. The default value is `1:1`.
+   * Aspect ratio of the icon. `{width}:{height}` format. 
+   * The values of `{width}` and `{height}` must be in the range 1–100000. 
+   * `{height}` can't be more than three times the value of `{width}`.
+   * The default value is `1:1`.
    */
-  aspectRatio?: "1:1" | "2:1" | "3:1";
+  aspectRatio?: string;
 } & Offset;
 
 /**
@@ -1262,22 +1265,12 @@ export type FlexImage = {
     | "5xl"
     | "full";
   /**
-   * Aspect ratio of the image.
+   * Aspect ratio of the image. `{width}:{height}` format. 
+   * Specify the value of `{width}` and `{height}` in the range from 1 to 100000. However, 
+   * you cannot set `{height}` to a value that is more than three times the value of `{width}`.
    * The default value is `1:1`.
    */
-  aspectRatio?:
-    | "1:1"
-    | "1.51:1"
-    | "1.91:1"
-    | "4:3"
-    | "16:9"
-    | "20:13"
-    | "2:1"
-    | "3:1"
-    | "3:4"
-    | "9:16"
-    | "1:2"
-    | "1:3";
+  aspectRatio?: string;
   /**
    * Style of the image. Specify one of the following values:
    *