implement adding new gang, show only homies for selected gang

client/src/gangs/Gangs.js

@@ -0,0 +1,59 @@
+import React, { useEffect, useState } from 'react';
+import NewGangForm from "./NewGangForm";
+import axios from "axios";
+import {errorToast} from "../common/errorHelpers";
+import YesNoModal from "../common/YesNoModal";
+import {Button} from "react-materialize";
+import M from "materialize-css";
+
+const Gangs = (props) => {
+  const gangs = props.gangs;
+  const setGangs = props.gangsSetter;
+
+  const deleteGang = async (id) => {
+    try {
+      const response = await axios.delete(`/api/gangs/${id}`);
+      if (response.status === 200 && response.data){
+        setGangs(response.data);
+        M.toast({ html: "See y'a on the other side" });
+      }else{
+        errorToast();
+      }
+    }catch (e) {
+      console.log(e);
+      errorToast();
+    }
+  }
+
+  const gangsData = gangs.map((gang, index) => {
+    return (
+      <li key={index}>
+        <div className="collapsible-header">
+          <div className="flex-row opposite-sides-content">
+            <div className="flex-col">
+              <div>{ gang.name }</div>
+              <div className="grey-text">{ `${gang.about || '[no about]'} • ${gang.chip_name} (${gang.chip_code})`}</div>
+            </div>
+
+            <YesNoModal
+              body={"Maan, y'a sure about this?"}
+              yesAction={() => deleteGang(gang.id)}
+              triggerNode={<Button disabled flat node="button" icon="delete" />} />
+          </div>
+        </div>
+      </li>
+    )
+  });
+
+  return (
+    <div className="container">
+      <NewGangForm newGangsSetter={setGangs} />
+
+      <ul className="collapsible">
+        { gangsData }
+      </ul>
+    </div>
+  )
+}
+
+export default Gangs;