fix(overmind-plugin): Renamed output files to index

Author: etienne-dldc

package.json

@@ -2,8 +2,8 @@
   "name": "overmind-plugin",
   "version": "0.0.0-development",
   "description": "A plugin system for overmind",
-  "main": "dist/overmind-plugin.js",
-  "module": "dist/overmind-plugin.mjs",
+  "main": "dist/index.js",
+  "module": "dist/index.mjs",
   "types": "dist/index.d.ts",
   "source": "src/index.ts",
   "scripts": {
@@ -38,9 +38,6 @@
     "ts-jest": "^23.10.3",
     "typescript": "^3.1.1"
   },
-  "peerDependencies": {
-    "overmind": "^3.0.0-1538418323403"
-  },
   "dependencies": {
     "is-plain-object": "^2.0.4"
   },