build: Add meson

Change-Id: I894afc681d7ae9ec553e738e70a1a2e5c3f42bbc
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..22d836c
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+/build*/
+/subprojects/*
+!subprojects/sdbusplus.wrap
+!subprojects/phosphor-logging.wrap