add missing flow interfaces

Summary: adding missing flow interfaces, fixes flow error

Reviewed By: priteshrnandgaonkar

Differential Revision: D8639038

fbshipit-source-id: 509ebcc86ea64a01dcea4968a39ed0ea51fdec93

flow-typed/npm/google-palette_vx.x.x.js

@@ -0,0 +1,18 @@
+// flow-typed signature: 6187fdc45c9567c2e88b8d4399bc1300
+// flow-typed version: <<STUB>>/google-palette_vlatest/flow_v0.69.0
+
+/**
+ * This is an autogenerated libdef stub for:
+ *
+ *   'google-palette'
+ *
+ * Fill this stub out by replacing all the `any` types.
+ *
+ * Once filled out, we encourage you to share your work with the
+ * community by sending a pull request to:
+ * https://github.com/flowtype/flow-typed
+ */
+
+declare module 'google-palette' {
+  declare module.exports: any;
+}

flow-typed/npm/react-chartjs-2_vx.x.x.js

@@ -0,0 +1,18 @@
+// flow-typed signature: 033193531f49f251b11350a57a58eb12
+// flow-typed version: <<STUB>>/react-chartjs-2_vlatest/flow_v0.69.0
+
+/**
+ * This is an autogenerated libdef stub for:
+ *
+ *   'react-chartjs-2'
+ *
+ * Fill this stub out by replacing all the `any` types.
+ *
+ * Once filled out, we encourage you to share your work with the
+ * community by sending a pull request to:
+ * https://github.com/flowtype/flow-typed
+ */
+
+declare module 'react-chartjs-2' {
+  declare module.exports: any;
+}