doc: clarify the process to submit a project proposal for stage 1

Signed-off-by: Mathias Vanden Auweele <[email protected]>
Signed-off-by: Mathias Vanden Auweele <[email protected]>

Author: MathiasVDA

project-proposals/stage-1/stage-1-questionnaire.md

@@ -1,8 +1,14 @@
 # Questionnaire for projects intending to join the OpenRail Association
 
-*As a project intending to join the OpenRail Association, please fill out this questionnaire and send it to the Technical Committee. See the [incubation process](../../incubation-process.md) for details about criteria and requirements for new projects and how it works to get new projects into the association.*
-
-*Copy this template and fill in your answers to the questions in the sections below.*
+*As a project intending to join the OpenRail Association, please:*
+- *create your fork of this repository*
+- *create a copy of this questionnaire and rename it to your project name*
+- *answer the questions*
+- *commit to a new branch in your fork, name it new-project-[project name]*
+- *initiate a pull request from your new branch to this repository*
+- *inform the technical committee by email: [email protected]*
+
+*Also see the documentation in [incubation process](../../incubation-process.md) for details about criteria and requirements for new projects and how it works to get new projects into the association.*
 
 ##  What is the project's name?