Resolve "Split subsystems into their own directories."

Closes #20 (closed)

benchmarks/roman_pots/config.yml

+sim:roman_pot:
+  stage: simulate
+  extends: .det_benchmark
+  script:
+    - bash benchmarks/trackers/roman_pot_simu.sh
+
+bench:roman_pot_nhits:
+  stage: benchmarks
+  extends: .det_benchmark
+  needs:
+    - ["sim:roman_pot"]
+  script:
+    - root -b -q benchmarks/trackers/simple_tracking.cxx+
+
+bench:roman_pot_eta:
+  stage: benchmarks
+  extends: .det_benchmark
+  needs:
+    - ["sim:roman_pot"]
+  script:
+    - root -b -q benchmarks/trackers/roman_pot_hit_eta.cxx+
+
+collect_results:roman_pot:
+  extends: .det_benchmark
+  stage: collect
+  needs: 
+    - ["bench:roman_pot_nhits","bench:roman_pot_eta"]
+  script:
+    - echo "Collecting results"
+
+
+