Add module-level docstrings and helper utility docstrings

Co-authored-by: varun-r-mallya <100590632+varun-r-mallya@users.noreply.github.com>

pythonbpf/maps/__init__.py

@@ -1,3 +1,5 @@
+"""BPF map types and processing."""
+
 from .maps import HashMap, PerfEventArray, RingBuf
 from .maps_pass import maps_proc
 

pythonbpf/maps/maps.py

@@ -1,3 +1,11 @@
+"""
+BPF map type definitions for Python type hints.
+
+This module provides Python classes that represent BPF map types.
+These are used for type checking and map definition; the actual BPF maps
+are generated as LLVM IR during compilation.
+"""
+
 # This file provides type  and function hints only and does not actually give any functionality.
 class HashMap:
     """

pythonbpf/maps/maps_pass.py

@@ -1,3 +1,10 @@
+"""
+BPF map processing and LLVM IR generation.
+
+This module handles the processing of BPF map definitions decorated with @map,
+converting them to appropriate LLVM IR global variables with BTF debug info.
+"""
+
 import ast
 from logging import Logger
 from llvmlite import ir