Added redux. Moved theme loading/setting to redux actions. Added automatic theme loading based on localStorage value.

client/src/store/reducers/index.ts

@@ -0,0 +1,9 @@
+import { combineReducers } from 'redux';
+
+import themeReducer from './theme';
+
+const rootReducer = combineReducers({
+  theme: themeReducer
+})
+
+export default rootReducer;

client/src/store/reducers/theme.ts

@@ -0,0 +1,18 @@
+import { SET_THEME } from '../actions/actionTypes';
+
+const initialState = {
+  theme: 'blues'
+}
+
+const themeReducer = (state = initialState, action: any) => {
+  switch (action.type) {
+    case SET_THEME:
+      return {
+        theme: action.payload
+      };
+    default:
+      return state;
+  }
+}
+
+export default themeReducer;