add TypeScript types

dist/commonjs/index.d.ts

@@ -0,0 +1,3 @@
+import multiavatar from "../esm";
+
+export = multiavatar;

dist/esm/index.d.ts

@@ -0,0 +1,34 @@
+interface AvatarVersion {
+  part?:
+    | "00"
+    | "01"
+    | "02"
+    | "03"
+    | "04"
+    | "05"
+    | "06"
+    | "07"
+    | "08"
+    | "09"
+    | "10"
+    | "11"
+    | "12"
+    | "13"
+    | "14"
+    | "15";
+  theme?: "A" | "B" | "C";
+}
+
+/**
+ *
+ * @param string The text string that will be converted into the avatar.
+ * @param sansEnv If this is true, the script returns the final avatar without the circle background (environment part)
+ * @param ver An optional object to force a specific initial version
+ */
+declare function multiavatar(
+  string: string,
+  sansEnv?: boolean,
+  ver?: AvatarVersion
+): string;
+
+export default multiavatar;