chore: add ascii-art in doc

doc.go

@@ -12,5 +12,29 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// Package main is ...
+// message from the author:
+//	+--------------------------------------------------------------+
+//	| * * * ░░░░░░░░░░░░░░░░░░░░  Hello  ░░░░░░░░░░░░░░░░░░░░░░░░░░|
+//	+--------------------------------------------------------------+
+//	|                                                              |
+//	|     ++              ______________________________________   |
+//	|     ++++           /                                      \  |
+//	|      ++++          |                                      |  |
+//	|    ++++++++++      |   Feel free to contribute to this    |  |
+//	|   +++       |      |       project or contact me on       |  |
+//	|   ++         |     |    manfred.life if you like this     |  |
+//	|   +  -==   ==|     |               project!               |  |
+//	|  (   <*>   <*>     |                                      |  |
+//	|   |          |    /|                  :)                  |  |
+//	|   |         _)   / |                                      |  |
+//	|   |      +++    /  \______________________________________/  |
+//	|    \      =+   /                                             |
+//	|     \      +                                                 |
+//	|     |\++++++                                                 |
+//	|     |  ++++      ||//                                        |
+//	|  ___|   |___    _||/__                                     __|
+//	| /    ---    \   \|  |||                   __ _  ___  __ __/ /|
+//	|/  |       |  \    \ /                    /  ' \/ _ \/ // / / |
+//	||  |       |  |    | |                   /_/_/_/\___/\_,_/_/  |
+//	+--------------------------------------------------------------+
 package main // import "moul.io/golang-repo-template"