Update .gitignore and modify Lottery contract

Refactored .gitignore to improve coverage for build artifacts, editor files, and environment files. Added new state file for vm-cancun. Updated src/Lottery.sol with changes to the contract logic.

Author: Timmy-Lane

.gitignore

@@ -1,62 +1,38 @@
-# ============================
-# General
-# ============================
-.DS_Store
-Thumbs.db
-*.log
-*.tmp
+# Compiler files
+cache/
+out/
+
+# Rust/Foundry build artifacts
+target/
+artifacts/
 
-# ============================
-# Node / JS / TS
-# ============================
+# Node/JS dependencies
 node_modules/
-npm-debug.log*
-yarn-debug.log*
-yarn-error.log*
 package-lock.json
 pnpm-lock.yaml
+yarn.lock
 
-# TypeScript
-dist/
-out-tsc/
-*.tsbuildinfo
+# Ignores development broadcast logs
+!/broadcast
+/broadcast/*/31337/
+/broadcast/**/dry-run/
 
-# dotenv
-.env
-.env.*
-.env.local
-.env.production
-.env.development
-
-# ============================
-# Foundry / Solidity
-# ============================
-out/
-cache/
-broadcast/
-lib/
-test-results/
-
-# Anvil artifacts
-anvil.*
-*.bin
-*.hex
-
-# Coverage
+# Coverage and debug
 coverage/
-coverage.json
-lcov-report/
-
-# Forge snapshots
-gas-snapshot.txt
+coverage.*
+lcov.info
+*.log
 
-artifacts/
-cache/
-typechain/
-typechain-types/
+# Docs
+docs/
 
-# ============================
-# VSCode
-# ============================
+# Editors and OS metadata
 .vscode/
-.history/
+.idea/
+*.swp
+*.swo
+.DS_Store
+
+# Dotenv file
+.env
+.env.*