Add

action.yml

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+name: LaTeX compilation
+description: Compile LaTeX documents with preset
+author: Janis Hutz
+inputs:
+  args:
+    description: Extra arguments to be passed to latexmk
+    default: "-latexoption=-file-line-error -latexoption=-interaction=nonstopmode"
+  extra_system_packages:
+    description: Install extra packages using apk
+    default: ""
+  image:
+    description: The image to use for the run
+    default: "git.janishut.com/registry/latex-build"
+runs:
+  using: docker
+  image: ${{ inputs.image }}
+  args:
+    - ${{ inputs.args }}
+    - ${{ inputs.extra_system_packages }}
+branding:
+  icon: book
+  color: red