Explain how to create symbolic link for buckd in buck install instructions

Change-Id: I68ec7e5465f5fd2c320c27db2a205f765fb0f16e
Signed-off-by: Edwin Kempin <edwin.kempin@sap.com>
diff --git a/Documentation/dev-buck.txt b/Documentation/dev-buck.txt
index 8fecd64..74f56b3 100644
--- a/Documentation/dev-buck.txt
+++ b/Documentation/dev-buck.txt
@@ -37,6 +37,13 @@
   which buck
 ----
 
+If you plan to use the link:#buck-daemon[Buck daemon] add a symbolic
+link in `~/bin` to the buckd executable:
+
+----
+  ln -s `pwd`/bin/buckd ~/bin/
+----
+
 
 [[eclipse]]
 Eclipse Integration
@@ -305,6 +312,7 @@
   EOF
 ----
 
+[[buck-daemon]]
 Using Buck daemon
 ~~~~~~~~~~~~~~~~~