Add initial project structure with Docker support and chapter downloading functionality

- Created .dockerignore and .gitignore files to exclude unnecessary files from Docker builds.
- Added Dockerfile for multi-stage build setup, including dependencies and production environment configuration.
- Introduced docker-compose.yml for service orchestration, including FlareSolverr and the main application.
- Implemented core functionality for downloading manga chapters, including utilities for handling file paths and chapter metadata.
- Added ESLint configuration for code quality and consistency.
- Included JSDoc configuration for documentation generation.
- Established initial package.json and package-lock.json with necessary dependencies for the project.

jsdoc.conf.json

@@ -0,0 +1,11 @@
+{
+  "source": {
+    "include": ["./src"],
+    "includePattern": "\\.js$",
+    "excludePattern": "(node_modules/|docs)"
+  },
+  "opts": {
+    "destination": "./docs",
+    "recurse": true
+  }
+}