build: Add meson build

Change-Id: Id01834cf0b6580b7e6f6fa195b4a547fd03222ce
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/.gitignore b/.gitignore
index 6e54fa7..a0d5bae 100644
--- a/.gitignore
+++ b/.gitignore
@@ -60,3 +60,6 @@
 __pycache__/
 *.py[cod]
 *$py.class
+
+/build*/
+/subprojects/*/