Move login to oauth.

src/modules/oauth.js

@@ -0,0 +1,18 @@
+const oauth = {
+  state: {
+    client_id: false,
+    client_secret: false,
+    token: false
+  },
+  mutations: {
+    setClientData (state, data) {
+      state.client_id = data.client_id
+      state.client_secret = data.client_secret
+    },
+    setToken (state, token) {
+      state.token = token
+    }
+  }
+}
+
+export default oauth