[polari] build: Symlink unstable manifest in toplevel

[Florian Müllner <fmuellner src gnome org>]

commit ce34d2f56bd4e205d743d3315c18630294b51bf5
Author: Florian Müllner <fmuellner gnome org>
Date:   Sat Apr 8 21:14:47 2017 +0200

    build: Symlink unstable manifest in toplevel
    
    The nightly manifest is the one that's also intended for development,
    so making it readily accessible in the toplevel under the regular
    application ID hopefully points newcomers to the correct configuration.

 org.gnome.Polari.json |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/org.gnome.Polari.json b/org.gnome.Polari.json
new file mode 120000
index 0000000..e932b30
--- /dev/null
+++ b/org.gnome.Polari.json
@@ -0,0 +1 @@
+flatpak/org.gnome.Polari-unstable.json
\ No newline at end of file