config(npm): install semantic-release

Author: pathurs

package.json

@@ -31,6 +31,10 @@
     },
     "homepage": "https://github.com/Colonise/Collection#readme",
     "devDependencies": {
+        "@semantic-release/changelog": "^3.0.0",
+        "@semantic-release/git": "^7.0.1",
+        "@semantic-release/github": "^5.0.1",
+        "@semantic-release/npm": "^5.0.0",
         "@types/del": "3.0.1",
         "@types/gulp": "4.0.5",
         "@types/gulp-istanbul": "^0.9.32",
@@ -46,6 +50,7 @@
         "gulp-typescript": "^4.0.2",
         "merge-stream": "^1.0.1",
         "nyc": "^12.0.2",
+        "semantic-release": "^15.9.1",
         "stream-to-promise": "^2.2.0",
         "tsgulp": "^1.1.2",
         "tslint": "^5.10.0",