Update Node.gitignore

1. SvelteKit - added ignore for cache directory
2. .env.example - included for documentation
3. Vite - added ignore for log files
4. Firebase - added ignore for cache directory

Node.gitignore

@@ -78,6 +78,7 @@ web_modules/
 .env.test.local
 .env.production.local
 .env.local
+!.env.example
 
 # parcel-bundler cache (https://parceljs.org/)
 .cache
@@ -104,6 +105,9 @@ dist
 .temp
 .cache
 
+# Sveltekit cache directory
+.svelte-kit
+
 # Docusaurus cache and generated files
 .docusaurus
 
@@ -116,6 +120,9 @@ dist
 # DynamoDB Local files
 .dynamodb/
 
+# Firebase cache directory
+.firebase
+
 # TernJS port file
 .tern-port
 
@@ -128,3 +135,7 @@ dist
 .yarn/build-state.yml
 .yarn/install-state.gz
 .pnp.*
+
+# Vite logs files
+vite.config.js.timestamp-*
+vite.config.ts.timestamp-*