Add osrd stage 2 proposal

Signed-off-by: Florian Amsallem <[email protected]>

project-proposals/stage-2/osrd.md

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+# Stage 2: Incubation
+
+## Health metrics
+
+### How many active contributors does the project have?
+
+https://github.com/OpenRailAssociation/osrd/graphs/contributors
+
+### How many different organizations are contributing to the project?
+
+- Almost all contribution comes from people working for SNCF Réseau.
+- Small contributions from single developers.
+
+### How much is the project dependent on individual contributors?
+
+*How high is the risk to a project should the most active people leave? This is called the [Contributor Absence Factor](https://chaoss.community/kb/metric-contributor-absence-factor/), sometimes also referred to as bus factor.*
+
+Computed with [truck factor](https://github.com/HelgeCPH/truckfactor).
+
+The bus factor of https://github.com/OpenRailAssociation/osrd (68c3e1480c429a2cf8c7f8b7932769076761ac08) is: `4`
+with author(s): Eloi "eckter" Charpentier, Florian "flomonster" Amsallem, Victor "multun" Collod, Nicolas "nicolaswurtz" Wurtz
+
+The truck factor of https://github.com/OpenRailAssociation/osrd-ui (1f2fea5d6a0a153a5c02b5a96cd0a66627760b2b) is: 1
+with author(s): Chaka "kmer2016" NGAMENI NJINEH
+
+## Open governance
+
+### What is the release process of the project?
+
+- https://osrd.fr/en/docs/guides/release/
+
+### How are decisions made in the project?
+
+- https://github.com/OpenRailAssociation/osrd/blob/dev/GOVERNANCE.md
+- https://github.com/OpenRailAssociation/osrd/blob/dev/CONTRIBUTING.md
+
+### What is the business roadmap of the project?
+
+*Please provide a link to the roadmap of the project.*
+
+## Adoption
+
+### Where is the project used in production?
+
+- SNCF Réseau: https://osrd.reseau.sncf.fr/
+  - Used by Railway Companies (last minute train requests)
+  - Railway study operators (small group of users)
+
+### If the project includes specifications, where are reference implementations for these specifications?
+
+Large documentation / guides / technical reference are available on our website.
+- https://osrd.fr/en/docs/
+
+All of it is available in english and most of it is also translated in french.
+
+## Licensing
+
+### Is the project REUSE compliant?
+
+*Does the project include licensing information according to the [REUSE standard](https://reuse.software)? Please provide the link to the README where the REUSE badge is shown.*
+- The project is REUSE compliant (with a CI check)
+- We did not add a badge to the readme
+- https://github.com/OpenRailAssociation/osrd/blob/68c3e1480c429a2cf8c7f8b7932769076761ac08/.github/workflows/build.yml#L1122-L1128
+
+### Does the project use the Developer Certificate of Origin?
+
+- The bot is enabled
+- https://github.com/OpenRailAssociation/osrd/commits/dev/
+
+
+## Evaluation by the Technical Committee
+
+*The following sections are filled out by the Technical Committee. Please don't change it or add anything here when filling out the questionnaire as a project.*
+
+### Criteria checklist
+
+* [ ] Healthy contributor base
+* [ ] Clear release process
+* [ ] Reference implementations for specifications
+* [ ] Open governance
+* [ ] Public roadmap
+* [ ] Production users
+* [ ] REUSE compliance
+* [ ] Use of DCO
+
+### Additional comments by the Technical Committee