cleanup code and add documentation.

Author: m301

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug report
+about: Create a report to help us improve
+title: '[BUG] '
+labels: 'bug'
+assignees: ''
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+Steps to reproduce the behavior:
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**Environment:**
+ - OS: [e.g. Ubuntu 20.04]
+ - Node.js version: [e.g. 16.14.0]
+ - CryptoCore version: [e.g. 1.0.0]
+ - Cryptocurrency: [e.g. Bitcoin, Ethereum]
+
+**Configuration:**
+```javascript
+// Relevant configuration (remove sensitive data)
+```
+
+**Logs:**
+```
+// Relevant log output
+```
+
+**Additional context**
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: Feature request
+about: Suggest an idea for this project
+title: '[FEATURE] '
+labels: 'enhancement'
+assignees: ''
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Which cryptocurrency does this relate to?**
+- [ ] Bitcoin (BTC)
+- [ ] Ethereum (ETH)
+- [ ] Ripple (XRP)
+- [ ] Dash (DASH)
+- [ ] Dogecoin (DOGE)
+- [ ] Litecoin (LTC)
+- [ ] Other: [specify]
+- [ ] General/All currencies
+
+**Additional context**
+Add any other context or screenshots about the feature request here.
+
+**Implementation ideas**
+If you have ideas about how this could be implemented, please share them here.

.github/workflows/ci.yml

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+name: CI/CD Pipeline
+
+on:
+  push:
+    branches: [ master, develop ]
+  pull_request:
+    branches: [ master, develop ]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    
+    strategy:
+      matrix:
+        node-version: [14.x, 16.x, 18.x]
+        
+    services:
+      mongodb:
+        image: mongo:5.0
+        ports:
+          - 27017:27017
+        
+    steps:
+    - uses: actions/checkout@v3
+    
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v3
+      with:
+        node-version: ${{ matrix.node-version }}
+        cache: 'npm'
+        
+    - name: Install dependencies
+      run: npm ci
+      
+    - name: Run linting
+      run: npm run lint
+      
+    - name: Run tests
+      run: npm test
+      env:
+        NODE_ENV: test
+        MONGODB_URI: mongodb://localhost:27017/cryptocore_test
+        
+    - name: Generate coverage report
+      run: npm run test:coverage
+      
+    - name: Upload coverage to Codecov
+      uses: codecov/codecov-action@v3
+      with:
+        file: ./coverage/lcov.info
+        flags: unittests
+        name: codecov-umbrella
+
+  security:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    
+    - name: Run security audit
+      run: npm audit --audit-level=moderate
+      
+    - name: Run Snyk to check for vulnerabilities
+      uses: snyk/actions/node@master
+      env:
+        SNYK_TOKEN: ${{ secrets.SNYK_TOKEN }}
+
+  docker:
+    runs-on: ubuntu-latest
+    needs: [test, security]
+    if: github.ref == 'refs/heads/master'
+    
+    steps:
+    - uses: actions/checkout@v3
+    
+    - name: Build Docker image
+      run: docker build -t crypto-core:latest .
+      
+    - name: Test Docker image
+      run: |
+        docker-compose -f docker-compose.test.yml up -d
+        sleep 30
+        docker-compose -f docker-compose.test.yml down

.gitignore

@@ -1,9 +1,98 @@
-.idea
-yarn.lock
+# Dependencies
+node_modules/
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
 package-lock.json
-dev/docs/_site
-dev/docs/_documentation/5_currencies.md
-dev/docs/.sass-cache
-dev/docs/Gemfile.lock
+yarn.lock
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Coverage directory used by tools like istanbul
+coverage/
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Dependency directories
+jspm_packages/
+
+# Optional npm cache directory
+.npm
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# Environment variables
+.env
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+# Logs
+logs/
+*.log
+
+# IDE files
+.idea/
+.vscode/
+*.swp
+*.swo
+*~
+
+# OS files
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+ehthumbs.db
+Thumbs.db
+
+# Configuration files with secrets
 configs/secrets.js
-dev/docs/tests
+configs/production.js
+configs/staging.js
+configs/*.local.js
+
+# Database files
+*.db
+*.sqlite
+
+# Documentation build
+dev/docs/_site/
+dev/docs/.sass-cache/
+dev/docs/Gemfile.lock
+dev/docs/tests/
+docs/api/
+
+# Docker volumes
+docker-data/
+
+# Temporary files
+tmp/
+temp/
+
+# Build artifacts
+dist/
+build/
+
+# Private keys and certificates
+*.pem
+*.key
+*.crt
+*.p12
+keys/
+certs/