feat: add configuration object

Changes:
- Add a global configuration object `config` that can be used to
set the number of digits after the floating point: `fractionDigits`
- Update docs

Author: henryhale

.github/workflows/release.yml

@@ -62,7 +62,7 @@ jobs:
 
       # Tests
       - name: Run tests
-        run: pnpm test
+        run: pnpm lint:fix && pnpm test
 
       # Setup NPM
       - name: Create .npmrc

src/index.ts

@@ -56,7 +56,10 @@ function generateSolution(raw: string[]) {
         let tmp = str;
         if (str) {
             tmp = str.replaceAll(/#\d/g, (m) => map[m]?.result || '');
-            str = str.replaceAll(/#\d/g, (m) => map[m]?.expr || map[m]?.result || '');
+            str = str.replaceAll(
+                /#\d/g,
+                (m) => map[m]?.expr || map[m]?.result || ''
+            );
             if (tmp !== str) {
                 box.unshift(tmp);
             }
@@ -133,4 +136,4 @@ export function evaluate(code: string): Result {
     };
 }
 
-export { config } from './global';
+export { config } from './global';