Clarify compilation target in package documentation

Updated documentation to clarify that the compilation targets LLVM IR instead of eBPF bytecode directly.

Author: varun-r-mallya

pythonbpf/__init__.py

@@ -2,7 +2,7 @@
 PythonBPF - A Python frontend for eBPF programs.
 
 This package provides decorators and compilation tools to write BPF programs
-in Python syntax and compile them to eBPF bytecode that can run in the kernel.
+in Python syntax and compile them to LLVM IR that can be compiled to eBPF bytecode.
 """
 
 from .decorators import bpf, map, section, bpfglobal, struct