Added Site Metadata and PurgeCSS as a dev dependency

gatsby-config.js

@@ -1,9 +1,12 @@
 /**
- * Configure your Gatsby site with this file.
- *
- * See: https://www.gatsbyjs.org/docs/gatsby-config/
+  Urban Brothers site config
  */
 
 module.exports = {
-  /* Your site config here */
+  siteMetadata: {
+    title: `Urban Brothers Website`,
+    siteURL: `https://urbanbrothers.de`,
+    description: `Homepage of the Urban Brothers`,
+  },
+  // pathPrefix: ``, // URL prefix of the whole site
 }

package-lock.json

@@ -10395,6 +10395,92 @@
       "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.1.1.tgz",
       "integrity": "sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A=="
     },
+    "purgecss": {
+      "version": "1.4.2",
+      "resolved": "https://registry.npmjs.org/purgecss/-/purgecss-1.4.2.tgz",
+      "integrity": "sha512-hkOreFTgiyMHMmC2BxzdIw5DuC6kxAbP/gGOGd3MEsF3+5m69rIvUEPaxrnoUtfODTFKe9hcXjGwC6jcjoyhOw==",
+      "dev": true,
+      "requires": {
+        "glob": "^7.1.3",
+        "postcss": "^7.0.14",
+        "postcss-selector-parser": "^6.0.0",
+        "yargs": "^14.0.0"
+      },
+      "dependencies": {
+        "ansi-regex": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz",
+          "integrity": "sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg==",
+          "dev": true
+        },
+        "cssesc": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/cssesc/-/cssesc-3.0.0.tgz",
+          "integrity": "sha512-/Tb/JcjK111nNScGob5MNtsntNM1aCNUDipB/TkwZFhyDrrE47SOx/18wF2bbjgc3ZzCSKW1T5nt5EbFoAz/Vg==",
+          "dev": true
+        },
+        "postcss-selector-parser": {
+          "version": "6.0.2",
+          "resolved": "https://registry.npmjs.org/postcss-selector-parser/-/postcss-selector-parser-6.0.2.tgz",
+          "integrity": "sha512-36P2QR59jDTOAiIkqEprfJDsoNrvwFei3eCqKd1Y0tUsBimsq39BLp7RD+JWny3WgB1zGhJX8XVePwm9k4wdBg==",
+          "dev": true,
+          "requires": {
+            "cssesc": "^3.0.0",
+            "indexes-of": "^1.0.1",
+            "uniq": "^1.0.1"
+          }
+        },
+        "string-width": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.1.0.tgz",
+          "integrity": "sha512-vafcv6KjVZKSgz06oM/H6GDBrAtz8vdhQakGjFIvNrHA6y3HCF1CInLy+QLq8dTJPQ1b+KDUqDFctkdRW44e1w==",
+          "dev": true,
+          "requires": {
+            "emoji-regex": "^7.0.1",
+            "is-fullwidth-code-point": "^2.0.0",
+            "strip-ansi": "^5.1.0"
+          }
+        },
+        "strip-ansi": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
+          "integrity": "sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==",
+          "dev": true,
+          "requires": {
+            "ansi-regex": "^4.1.0"
+          }
+        },
+        "yargs": {
+          "version": "14.2.2",
+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-14.2.2.tgz",
+          "integrity": "sha512-/4ld+4VV5RnrynMhPZJ/ZpOCGSCeghMykZ3BhdFBDa9Wy/RH6uEGNWDJog+aUlq+9OM1CFTgtYRW5Is1Po9NOA==",
+          "dev": true,
+          "requires": {
+            "cliui": "^5.0.0",
+            "decamelize": "^1.2.0",
+            "find-up": "^3.0.0",
+            "get-caller-file": "^2.0.1",
+            "require-directory": "^2.1.1",
+            "require-main-filename": "^2.0.0",
+            "set-blocking": "^2.0.0",
+            "string-width": "^3.0.0",
+            "which-module": "^2.0.0",
+            "y18n": "^4.0.0",
+            "yargs-parser": "^15.0.0"
+          }
+        },
+        "yargs-parser": {
+          "version": "15.0.0",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-15.0.0.tgz",
+          "integrity": "sha512-xLTUnCMc4JhxrPEPUYD5IBR1mWCK/aT6+RJ/K29JY2y1vD+FhtgKK0AXRWvI262q3QSffAQuTouFIKUuHX89wQ==",
+          "dev": true,
+          "requires": {
+            "camelcase": "^5.0.0",
+            "decamelize": "^1.2.0"
+          }
+        }
+      }
+    },
     "q": {
       "version": "1.5.1",
       "resolved": "https://registry.npmjs.org/q/-/q-1.5.1.tgz",

package.json

@@ -1,7 +1,7 @@
 {
   "name": "urban_website",
   "private": false,
-  "description": "Simple website of the Urban Brothers.",
+  "description": "Simple homepage of the Urban Brothers.",
   "version": "0.1.0",
   "license": "MIT",
   "scripts": {
@@ -20,7 +20,8 @@
     "react-dom": "^16.12.0"
   },
   "devDependencies": {
-    "prettier": "^1.19.1"
+    "prettier": "^1.19.1",
+    "purgecss": "^1.4.2"
   },
   "repository": {
     "type": "git",