Add a suitable .ruby-version

The doc site currently uses some old Jekyll plugins that only support Ruby version 2. The .ruby-version file works with `rvm` and `rbenv` to force the use of a suitable Ruby version. Version 2.7.8 is the last version of Ruby 2, which is now past end-of-life. Even for folks who don't use `rvm` or `rbenv`, the .ruby-version file is a useful indicator of which version of Ruby to use. Signed-off-by: Birgit Brecknell <[email protected]>
seL4 · May 19, 2024 · 1f039c4 · 1f039c4
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diff --git a/.reuse/dep5 b/.reuse/dep5
@@ -10,6 +10,7 @@ Source: https://docs.sel4.systems
 # License: ...
 
 Files: Gemfile.lock
+       .ruby-version
        .bundle/config
        Hardware/HiKey/*.patch
        Hardware/CEI_TK1_SOM/CANBoard/Tegra_CANboard_tofab_v1.zip

diff --git a/.ruby-version b/.ruby-version
@@ -0,0 +1 @@
+2.7.8