resolves: 101 do not store adoc files in git tree

[JavierCladellas]

• Closes Do not store adoc files in git tree #101

Done:

• Removed all reports that were stored under the git repository (reports/ and docs/pages/*)
• Netlify will itself create the adoc reports under docs/modules/ROOT/pages for preview
• Removed the generate_reports step of the CI, as we don't want any pushes.
• On push to master, the GitHub runner in the CI will create the reports, antora will compile them under public/, and the deploy to gh pages will be handled as usual. No major changes...

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[JavierCladellas]

@prudhomm Is it possible to add the girder api key to Netlify's environment ?

[prudhomm]

Oops yes, i can add env variable. I will do that when i come back

[JavierCladellas]

Oops yes, i can add env variable. I will do that when i come back

@prudhomm Small reminder (not urgent) to add the GIRDER_API_KEY variable in netlify's environment. Thank you !

[prudhomm]

@JavierCladellas there are conflicts here. GIRDER_API_KEY has now been defined

[JavierCladellas]

@JavierCladellas there are conflicts here. GIRDER_API_KEY has now been defined

Everything seems to be working as expected! Netlify renders the files by itself.
The .adoc files and the reframe reports are no longer stored in the GitHub repo.
@prudhomm @vincentchabannes