New App: de.chadenas.cpudefense

Required

• The app complies with the inclusion criteria
• The original app author has been notified (and does not oppose the inclusion)
• All related fdroiddata and RFP issues have been referenced in this merge request
• Builds with fdroid build

Strongly Recommended

• The upstream app source code repo contains the app metadata (summary/description/images/changelog/etc) in a [Fastlane].
• Releases are tagged.

Suggested

The following do not apply (I think).

• External repos are added as git submodules instead of srclibs
• Enable Reproducible Builds
• Multiple apks for native code

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Closes rfp#2330 (closed).

(This is my first merge request, so please be patient if there's something wrong or missing...)