add nodemon, remove .env from being tracked

.env

@@ -1,4 +0,0 @@
-MONGO_URL=mongodb://localhost:27017/p5js-web-editor
-PORT=8000
-SESSION_SECRET=dyR;Ihp9Y/<i=m9&FUBwV\)$";;G:5a-_G4>W@?r~k$JR$nw74=#_Cus[z{yBj`Mq:I8LpWE~g{;B,}t\p/`Wjevkb!$n}N];u`Om57NF^GK@z5qF{0L04)Mz6{Djk
-NODE_ENV=development

.gitignore

@@ -1,8 +1,8 @@
 .DS_Store
+.env
 node_modules/
 npm-debug.log
 dump.rdb
 public/*
 static/dist
 static/css/app.min.css
-.env

nodemon.json

@@ -0,0 +1,16 @@
+
+{
+  "restartable": "rs",
+  "ignore": [
+    ".git",
+    "node_modules/**/node_modules"
+  ],
+  "verbose": true,
+  "watch": [
+    "server"
+  ],
+  "env": {
+    "NODE_ENV": "development"
+  },
+  "ext": "js json"
+}

package.json

@@ -4,7 +4,7 @@
   "description": "The web editor for p5.js.",
   "main": "server.js",
   "scripts": {
-    "start": "node index.js",
+    "start": "BABEL_DISABLE_CACHE=1 NODE_ENV=development nodemon index.js",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "author": "Cassie Tarakajian",
@@ -23,6 +23,7 @@
     "css-loader": "^0.23.1",
     "file-loader": "^0.8.5",
     "node-sass": "^3.7.0",
+    "nodemon": "^1.9.2",
     "redux-devtools": "^3.3.1",
     "redux-devtools-dock-monitor": "^1.1.1",
     "redux-devtools-log-monitor": "^1.0.11",