Move styles building up to the project root

This will make development much easier by having all commands at the
project root. This also removes the deprecated `node-sass`

Fix build-css-watch

package.json

@@ -5,12 +5,14 @@
   "type": "module",
   "description": "The XRP Ledger Dev Portal is the authoritative source for XRP Ledger documentation, including the `rippled` server, client libraries, and other open-source XRP Ledger software.",
   "scripts": {
+    "build-css": "sass --load-path styles/scss styles/xrpl.scss ./content/static/css/devportal2024-v1.css --style compressed --no-source-map",
+    "build-css-watch": "sass --watch --load-path styles/scss styles/xrpl.scss ./content/static/css/devportal2024-v1.css --style compressed --no-source-map",
     "start": "portal develop -d content"
   },
   "keywords": [],
   "license": "MIT",
   "dependencies": {
-    "@redocly/portal": "^0.66.0",
+    "@redocly/portal": "^0.66.1",
     "clsx": "^2.0.0",
     "lottie-react": "^2.4.0",
     "moment": "^2.29.4",
@@ -21,6 +23,8 @@
     "react": "^17.0.2"
   },
   "devDependencies": {
-    "htmltojsx": "^0.3.0"
+    "htmltojsx": "^0.3.0",
+    "sass": "1.26.10",
+    "bootstrap": "^4.6.2"
   }
 }

styles/package.json

@@ -1,14 +0,0 @@
-{
-  "devDependencies": {
-    "bootstrap": "^4.6.1",
-    "node-sass": "^7.0.0"
-  },
-  "scripts": {
-    "build-css": "node-sass --include-path scss xrpl.scss ../assets/css/devportal2022-v25.css --output-style compressed",
-    "build-css-out": "node-sass --include-path scss xrpl.scss ../out/assets/css/devportal2022-v25.css --output-style compressed --source-map true",
-    "build-css-watch-out": "node-sass --recursive --watch  --include-path scss xrpl.scss ../out/assets/css/devportal2022-v25.css --output-style compressed --source-map true"
-  },
-  "dependencies": {
-    "sass": "^1.26.10"
-  }
-}

styles/xrpl.scss

@@ -35,7 +35,7 @@ $base-size: 16px;
 $line-height-base: 1.5;
 
 // Bootstrap v4
-@import "node_modules/bootstrap/scss/bootstrap.scss";
+@import "../node_modules/bootstrap/scss/bootstrap.scss";
 
 // Import site styles
 @import "_font.scss";