moved example files to docs/examples directory

diff --git a/config.sh.example b/docs/examples/config.sh.example
similarity index 100%
rename from config.sh.example
rename to docs/examples/config.sh.example

diff --git a/domains.txt.example b/docs/examples/domains.txt.example
similarity index 100%
rename from domains.txt.example
rename to docs/examples/domains.txt.example

diff --git a/hook.sh.example b/docs/examples/hook.sh.example
similarity index 100%
rename from hook.sh.example
rename to docs/examples/hook.sh.example