[WIP] Merge changes from dev/wattanachai into main

[Copilot]

• Investigate changes in dev/wattanachai branch vs main
• Merge dev/wattanachai changes into PR branch
• Update PR description with accurate change summary

Changes from dev/wattanachai

🌐 UI Localization — Thai → English

Translated all Thai-language toast messages and UI labels to English:

• HRM.jsx — Staff management messages (add, edit, delete, validation)
• InventoryPage.jsx — Inventory management messages
• PatrolAreasPage.jsx — Patrol area messages
• ErrorAlert.jsx / LoadingSpinner.jsx — Shared UI components
• UsersPage.jsx — User page labels
• mockData.js — Field ops mock data

🔒 Security / Config

• Removed .env.example from the repository
• Updated .gitignore to properly exclude .env and .env.example to prevent accidental credential commits

Commits included

• fix: change thai lang to eng — UI localization to English
• remove env — Remove committed .env file
• chore: update gitignore to exclude .env and temp files — Improve .gitignore configuration

Original prompt

Create a pull request in repository MxnlodyX/Forest-Ranger to merge changes from branch dev/wattanachai into main.

Requirements:

• Source branch (head): dev/wattanachai
• Target branch (base): main
• Generate an appropriate PR title and description summarizing the branch changes.
• Open the pull request successfully.

The following is the prior conversation context from the user's chat exploration (may be truncated):

User: Please create pull request from branch dev/wattanachai and merge it to main branch

Assistant: I’ve submitted the pull request creation request and I’m currently waiting on your approval in the confirmation dialog to continue.

This pull request was created from Copilot chat.

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