Add bin and edit workflow

bin/gems/rouge-4.7.0/lib/rouge/demos/jsonnet

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+// Compiler template
+local CCompiler = {
+  cFlags: [],
+  out: "a.out",
+  local flags_str = std.join(" ", self.cFlags),
+  local files_str = std.join(" ", self.files),
+  cmd: "%s %s %s -o %s" % [self.compiler, flags_str, files_str, self.out],
+};
+
+// GCC specialization
+local Gcc = CCompiler { compiler: "gcc" };
+
+// Another specialization
+local Clang = CCompiler { compiler: "clang" };
+
+// Mixins - append flags
+local Opt = { cFlags: super.cFlags + ["-O3", "-DNDEBUG"] };
+local Dbg = { cFlags: super.cFlags + ["-g"] };
+
+// Output:
+{
+  targets: [
+    Gcc { files: ["a.c", "b.c"] },
+    Clang { files: ["test.c"], out: "test" },
+    Clang + Opt { files: ["test2.c"], out: "test2" },
+    Gcc + Opt + Dbg { files: ["foo.c", "bar.c"], out: "baz" },
+  ]
+}