Add initial project structure and configurations

- Set up project directories including app structure.
- Add IntelliJ IDEA project files and configurations.
- Implement basic PHP router for request handling.
- Provide reference files for features, IPs, and documentation.
- Include license and copyright files.

refs/docs/WebApi - documentation_files/documentation_options.js.download

@@ -0,0 +1,13 @@
+const DOCUMENTATION_OPTIONS = {
+    VERSION: '4.9.5',
+    LANGUAGE: 'en',
+    COLLAPSE_INDEX: false,
+    BUILDER: 'html',
+    FILE_SUFFIX: '.html',
+    LINK_SUFFIX: '.html',
+    HAS_SOURCE: true,
+    SOURCELINK_SUFFIX: '.txt',
+    NAVIGATION_WITH_KEYS: false,
+    SHOW_SEARCH_SUMMARY: true,
+    ENABLE_SEARCH_SHORTCUTS: true,
+};