Implemeent Vuex module for fetching security configurations

* Impleement actions, mutations, mutation types, and store

ee/app/assets/javascripts/security_configuration/modules/configuration/actions.js

+import axios from '~/lib/utils/axios_utils';
+import { __ } from '~/locale';
+
+import * as types from './mutation_types';
+
+export const setSecurityConfigurationEndpoint = ({ commit }, endpoint) =>
+  commit(types.SET_SECURITY_CONFIGURATION_ENDPOINT, endpoint);
+
+
+export const fetchSecurityConfiguration = ({ commit, state }) => {
+  if (!state.securityConfigurationPath) {
+    return commit(types.RECEIVE_SECURITY_CONFIGURATION_ERROR);
+  }
+  commit(types.REQUEST_SECURITY_CONFIGURATION);
+
+  return axios({
+    method: 'GET',
+    url: state.securityConfigurationPath,
+  })
+    .then(response => {
+      const { data } = response;
+      commit(types.RECEIVE_SECURITY_CONFIGURATION_SUCCESS, data);
+    })
+    .catch(error => {
+      Sentry.captureException(error);
+      commit(types.RECEIVE_SECURITY_CONFIGURATION_ERROR);
+    });
+};
\ No newline at end of file

ee/app/assets/javascripts/security_configuration/modules/configuration/mutation_types.js

+export const SET_SECURITY_CONFIGURATION_ENDPOINT = 'SET_SECURITY_CONFIGURATION_ENDPOINT';
+
+export const REQUEST_SECURITY_CONFIGURATION = 'REQUEST_SECURITY_CONFIGURATION';
+export const RECEIVE_SECURITY_CONFIGURATION_SUCCESS = 'RECEIVE_SECURITY_CONFIGURATION_SUCCESS';
+export const RECEIVE_SECURITY_CONFIGURATION_ERROR = 'RECEIVE_SECURITY_CONFIGURATION_ERROR';
\ No newline at end of file

ee/app/assets/javascripts/security_configuration/modules/configuration/mutations.js

+import * as types from './mutation_types';
+
+export default {
+  [types.SET_SECURITY_CONFIGURATION_ENDPOINT](state, payload) {
+    state.securityConfigurationPath = payload;
+  },
+  [types.REQUEST_SECURITY_CONFIGURATION](state) {
+    state.isLoading = true;
+  },
+  [types.RECEIVE_SECURITY_CONFIGURATION_SUCCESS](state, payload) {
+    state.isLoading = false;
+    state.pipelineJobs = payload;
+  },
+  [types.RECEIVE_SECURITY_CONFIGURATION_ERROR](state) {
+    state.isLoading = false;
+  },
+};

ee/app/assets/javascripts/security_configuration/modules/configuration/state.js

+export default () => ({
+  securityConfigurationPath: '',
+  initialized: false,
+  isLoading: false,
+  errorLoading: false,
+  configuration: [],
+});