Feat: latexmk worker to compile tex

bopytex/worker/compile.py

@@ -0,0 +1,12 @@
+import subprocess
+
+
+def latexmk(args: dict, deps, output):
+    compile_process = subprocess.Popen(
+        ["latexmk", deps[0]],
+        stdout=subprocess.PIPE,
+        stderr=subprocess.PIPE,
+        universal_newlines=True
+    )
+    yield from compile_process.stderr
+