document picture of sysroot

Author: nickdesaulniers

README.md

@@ -11,6 +11,37 @@ This work is heavily derived and derived entirely from Saleem Abdulrasool's
 (@compnerd)
 [gist](https://gist.github.com/compnerd/ebbc625a359d1d3e292e1fd2007ecb52).
 
+### Sysroot
+
+Builds a sysroot that looks like:
+```
+sysroot
+└── usr
+    └── local
+        ├── include
+        │   ├── asm
+        │   ├── asm-generic
+        │   ├── drm
+        │   ├── linux
+        │   ├── misc
+        │   ├── mtd
+        │   ├── rdma
+        │   ├── scsi
+        │   ├── sound
+        │   ├── video
+        │   └── xen
+        └── lib
+            ├── crtbeginS.o -> linux/clang_rt.crtbegin-x86_64.o
+            ├── crtendS.o -> linux/clang_rt.crtend-x86_64.o
+            ├── libunwind.so -> libunwind.so.1
+            ├── libunwind.so.1 -> libunwind.so.1.0
+            ├── libunwind.so.1.0
+            └── linux
+                ├── clang_rt.crtbegin-x86_64.o
+                ├── clang_rt.crtend-x86_64.o
+                └── libclang_rt.builtins-x86_64.a
+```
+
 ### License
 ```
 Copyright 2021 The ClangBuiltLinux project contributors