Apply YODA dataset setup

.gitattributes

@@ -1,2 +1,4 @@
 * annex.backend=MD5E
 **/.git* annex.largefiles=nothing
+CHANGELOG.md annex.largefiles=nothing
+README.md annex.largefiles=nothing

README.md

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+# Project <insert name>
+
+## Dataset structure
+
+- All inputs (i.e. building blocks from other sources) are located in
+  `inputs/`.
+- All custom code is located in `code/`.

code/.gitattributes

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+* annex.largefiles=nothing

code/README.md

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+All custom code goes into this directory. All scripts should be written such
+that they can be executed from the root of the dataset, and are only using
+relative paths for portability.