Add nodejs to .tool-versions

.tool-versions

@@ -1,2 +1,3 @@
 erlang 21.1
 elixir 1.10.3
+nodejs 15.3.0

tracker/package-lock.json

@@ -1,6 +1,76 @@
 {
+  "name": "tracker",
+  "lockfileVersion": 2,
   "requires": true,
-  "lockfileVersion": 1,
+  "packages": {
+    "": {
+      "license": "MIT",
+      "dependencies": {
+        "handlebars": "^4.7.6",
+        "uglify-js": "^3.9.4"
+      }
+    },
+    "node_modules/commander": {
+      "version": "2.20.3",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz",
+      "integrity": "sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ=="
+    },
+    "node_modules/handlebars": {
+      "version": "4.7.6",
+      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.7.6.tgz",
+      "integrity": "sha512-1f2BACcBfiwAfStCKZNrUCgqNZkGsAT7UM3kkYtXuLo0KnaVfjKOyf7PRzB6++aK9STyT1Pd2ZCPe3EGOXleXA==",
+      "dependencies": {
+        "minimist": "^1.2.5",
+        "neo-async": "^2.6.0",
+        "source-map": "^0.6.1",
+        "uglify-js": "^3.1.4",
+        "wordwrap": "^1.0.0"
+      },
+      "bin": {
+        "handlebars": "bin/handlebars"
+      },
+      "engines": {
+        "node": ">=0.4.7"
+      }
+    },
+    "node_modules/minimist": {
+      "version": "1.2.5",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+      "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw=="
+    },
+    "node_modules/neo-async": {
+      "version": "2.6.2",
+      "resolved": "https://registry.npmjs.org/neo-async/-/neo-async-2.6.2.tgz",
+      "integrity": "sha512-Yd3UES5mWCSqR+qNT93S3UoYUkqAZ9lLg8a7g9rimsWmYGK8cVToA4/sF3RrshdyV3sAGMXVUmpMYOw+dLpOuw=="
+    },
+    "node_modules/source-map": {
+      "version": "0.6.1",
+      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+      "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/uglify-js": {
+      "version": "3.9.4",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.9.4.tgz",
+      "integrity": "sha512-8RZBJq5smLOa7KslsNsVcSH+KOXf1uDU8yqLeNuVKwmT0T3FA0ZoXlinQfRad7SDcbZZRZE4ov+2v71EnxNyCA==",
+      "dependencies": {
+        "commander": "~2.20.3"
+      },
+      "bin": {
+        "uglifyjs": "bin/uglifyjs"
+      },
+      "engines": {
+        "node": ">=0.8.0"
+      }
+    },
+    "node_modules/wordwrap": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
+      "integrity": "sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus="
+    }
+  },
   "dependencies": {
     "commander": {
       "version": "2.20.3",