fix: 🎨 fix respec errors; restructure sections to align with shacl-core12 spec structure; add prettier config

Author: simonstey

shacl-node-expr/.prettierrc

@@ -0,0 +1,14 @@
+{
+  "useTabs": true,
+  "printWidth": 150,
+  "semi": true,
+  "singleQuote": false,
+  "quoteProps": "as-needed",
+  "jsxSingleQuote": false,
+  "trailingComma": "none",
+  "bracketSpacing": true,
+  "jsxBracketSameLine": false,
+  "htmlWhitespaceSensitivity": "ignore",
+  "arrowParens": "always",
+  "endOfLine": "lf"
+}