feat: disallow spaces in curly braces

Fixes #2

tslint.json

@@ -1,7 +1,8 @@
 {
   "defaultSeverity": "error",
   "extends": [
-    "tslint:recommended"
+    "tslint:recommended",
+    "tslint-eslint-rules"
   ],
   "rules": {
     "indent": [
@@ -13,9 +14,7 @@
       true,
       "never-prefix"
     ],
-    "max-classes-per-file": [
-      false
-    ],
+    "max-classes-per-file": false,
     "member-access": false,
     "member-ordering": [
       true,
@@ -43,6 +42,10 @@
       "ignore-comments",
       "ignore-jsdoc"
     ],
+    "object-curly-spacing": [
+      true,
+      "never"
+    ],
     "object-literal-key-quotes": false,
     "object-literal-shorthand": false,
     "ordered-imports": [
@@ -72,4 +75,3 @@
     ]
   }
 }
-