Refactor GodotProjectContext and add helper functions for project scanning

- Reorganized methods in GodotProjectContext for better readability.
- Introduced new helper functions for parsing autoloads and converting database rows to dictionaries.
- Implemented file watcher functionality to monitor project changes.
- Added metrics handling for scan results.
- Created new source files for context helpers, materializers, and metrics.
- Updated register_types to improve initialization function signature.
- Adjusted binary files for project context and scanner rules.

Author: AlgorithMagic

.sconsign.dblite

@@ -16,6 +16,9 @@ platform = ARGUMENTS.get("platform", "")
 build_target = ARGUMENTS.get("target", "")
 arch = ARGUMENTS.get("arch", "")
 build_doctest = str(ARGUMENTS.pop("doctest", "0")).lower() in {"1", "true", "yes"}
+build_compiledb = str(ARGUMENTS.pop("compiledb", "1")).lower() in {
+    "1", "true", "yes", "on"
+}
 
 if not platform:
     raise RuntimeError("Missing required SCons argument: platform=windows|linux|macos")
@@ -156,6 +159,17 @@ library = env.SharedLibrary(
 
 default_targets = [library]
 
+if build_compiledb:
+    env.Tool("compilation_db")
+
+    compile_commands = env.CompilationDatabase(
+        target="compile_commands.json",
+        source=library,
+    )
+
+    default_targets.append(compile_commands)
+    env.Alias("compiledb", compile_commands)
+
 if build_doctest:
     native_test_sources = [
         "tests/native/test_main.cpp",