Add basic phosphor-psu-monitor application

Change-Id: I3f892e6789c9b081aea04668de6fe0155963d521
Signed-off-by: Brandon Wyman <bjwyman@gmail.com>
diff --git a/phosphor-power-supply/meson.build b/phosphor-power-supply/meson.build
new file mode 100644
index 0000000..99e43b0
--- /dev/null
+++ b/phosphor-power-supply/meson.build
@@ -0,0 +1,5 @@
+
+executable(
+    'phosphor-psu-monitor',
+    'main.cpp',
+    install: true)