Add GitHub templates and CI/CD workflow

.github/CODEOWNERS

@@ -0,0 +1,2 @@
+# Code owners
+@y0sy4

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -0,0 +1,52 @@
+name: 🐛 Bug Report
+description: Report a bug or issue
+title: "[Bug] "
+labels: ["bug"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to fill out this bug report!
+  - type: input
+    id: version
+    attributes:
+      label: Version
+      description: What version are you using?
+      placeholder: v2.0.0
+    validations:
+      required: true
+  - type: dropdown
+    id: os
+    attributes:
+      label: Operating System
+      description: What OS are you using?
+      options:
+        - Windows
+        - Linux
+        - macOS (Intel)
+        - macOS (Apple Silicon)
+    validations:
+      required: true
+  - type: textarea
+    id: description
+    attributes:
+      label: Describe the bug
+      description: A clear and concise description of what the bug is
+      placeholder: The proxy crashes when...
+    validations:
+      required: true
+  - type: textarea
+    id: logs
+    attributes:
+      label: Logs
+      description: Paste relevant log output (from %APPDATA%/TgWsProxy/proxy.log)
+      render: shell
+  - type: textarea
+    id: steps
+    attributes:
+      label: Steps to Reproduce
+      description: How can we reproduce this issue?
+      placeholder: |
+        1. Run the proxy
+        2. Connect Telegram
+        3. See error

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -0,0 +1,42 @@
+name: 💡 Feature Request
+description: Suggest a new feature or improvement
+title: "[Feature] "
+labels: ["enhancement"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for suggesting a feature!
+  - type: textarea
+    id: problem
+    attributes:
+      label: Is your feature request related to a problem?
+      description: A clear and concise description of what the problem is
+      placeholder: I'm always frustrated when...
+  - type: textarea
+    id: solution
+    attributes:
+      label: Describe the solution you'd like
+      description: A clear and concise description of what you want to happen
+      placeholder: I would like to see...
+    validations:
+      required: true
+  - type: textarea
+    id: alternatives
+    attributes:
+      label: Describe alternatives you've considered
+      description: A clear and concise description of any alternative solutions or features you've considered
+  - type: dropdown
+    id: platform
+    attributes:
+      label: Platform
+      description: Which platform is this for?
+      options:
+        - All platforms
+        - Windows
+        - Linux
+        - macOS
+        - Android (planned)
+        - iOS (planned)
+    validations:
+      required: true

.github/pull_request_template.md

@@ -0,0 +1,34 @@
+name: Pull Request
+description: Submit a pull request
+title: "[PR] "
+labels: ["enhancement"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for contributing to TG WS Proxy Go!
+  - type: textarea
+    id: description
+    attributes:
+      label: Description
+      description: What does this PR do?
+      placeholder: This PR adds/fixes...
+    validations:
+      required: true
+  - type: textarea
+    id: testing
+    attributes:
+      label: Testing
+      description: How did you test this?
+      placeholder: I tested on Windows/Linux/macOS...
+    validations:
+      required: true
+  - type: checkboxes
+    id: checklist
+    attributes:
+      label: Checklist
+      options:
+        - label: I have tested this locally
+          required: true
+        - label: Code follows project guidelines
+          required: true

.github/workflows/build.yml

@@ -0,0 +1,51 @@
+name: Build Release
+
+on:
+  release:
+    types: [created]
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [windows-latest, ubuntu-latest, macos-latest, macos-13]
+        include:
+          - os: windows-latest
+            artifact: TgWsProxy_windows_amd64.exe
+            goos: windows
+            goarch: amd64
+          - os: ubuntu-latest
+            artifact: TgWsProxy_linux_amd64
+            goos: linux
+            goarch: amd64
+          - os: macos-latest
+            artifact: TgWsProxy_darwin_arm64
+            goos: darwin
+            goarch: arm64
+          - os: macos-13
+            artifact: TgWsProxy_darwin_amd64
+            goos: darwin
+            goarch: amd64
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: '1.21'
+
+      - name: Build
+        run: |
+          go build -ldflags "-s -w" -o ${{ matrix.artifact }} ./cmd/proxy
+        env:
+          GOOS: ${{ matrix.goos }}
+          GOARCH: ${{ matrix.goarch }}
+
+      - name: Upload to Release
+        uses: softprops/action-gh-release@v1
+        with:
+          files: ${{ matrix.artifact }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}