chore: update .gitignore to include .env files and add prettier for code formatting

pnpm-lock.yaml

@@ -57,6 +57,9 @@ importers:
       npm-run-all2:
         specifier: ^8.0.4
         version: 8.0.4
+      prettier:
+        specifier: ^3.8.1
+        version: 3.8.1
       sass-embedded:
         specifier: ^1.98.0
         version: 1.98.0
@@ -1487,6 +1490,11 @@ packages:
     resolution: {integrity: sha512-vkcDPrRZo1QZLbn5RLGPpg/WmIQ65qoWWhcGKf/b5eplkkarX0m9z8ppCat4mlOqUsWpyNuYgO3VRyrYHSzX5g==}
     engines: {node: '>= 0.8.0'}
 
+  prettier@3.8.1:
+    resolution: {integrity: sha512-UOnG6LftzbdaHZcKoPFtOcCKztrQ57WkHDeRD9t/PTQtmT0NHSeWWepj6pS0z/N7+08BHFDQVUrfmfMRcZwbMg==}
+    engines: {node: '>=14'}
+    hasBin: true
+
   proxy-from-env@1.1.0:
     resolution: {integrity: sha512-D+zkORCbA9f1tdWRK0RaCR3GPv50cMxcrz4X8k5LTSUD1Dkw47mKJEZQNunItRTkWwgtaUSo1RVFRIG9ZXiFYg==}
 
@@ -3346,6 +3354,8 @@ snapshots:
 
   prelude-ls@1.2.1: {}
 
+  prettier@3.8.1: {}
+
   proxy-from-env@1.1.0: {}
 
   punycode@2.3.1: {}