Created config global state. Reworked WeatherSettings and WeatherWidget to use new config state.

client/src/store/reducers/config.ts

@@ -0,0 +1,36 @@
+import { ActionTypes, Action } from '../actions';
+import { Config } from '../../interfaces';
+
+export interface State {
+  loading: boolean;
+  config: Config[];
+}
+
+const initialState: State = {
+  loading: true,
+  config: []
+}
+
+const getConfig = (state: State, action: Action): State => {
+  return {
+    loading: false,
+    config: action.payload
+  }
+}
+
+const updateConfig = (state: State, action: Action): State => {
+  return {
+    ...state,
+    config: action.payload
+  }
+}
+
+const configReducer = (state: State = initialState, action: Action) => {
+  switch(action.type) {
+    case ActionTypes.getConfig: return getConfig(state, action);
+    case ActionTypes.updateConfig: return updateConfig(state, action);
+    default: return state;
+  }
+}
+
+export default configReducer;