Add extracted tools: CitrineOS, OpenOCPP, ShapeShifter

- CitrineOS core extracted (CSMS OCPP 2.0.1)
- OpenOCPP extracted (firmware OCPP 1.6J/2.0.1)
- ShapeShifter library installed (pip install -e)
- ShapeShifter specification extracted
- EVerest extracted

TODO updated with progress

tools/EVerest-main/lib/everest/external_energy_limits/BUILD.bazel

@@ -0,0 +1,18 @@
+load("@rules_cc//cc:defs.bzl", "cc_library")
+
+cc_library(
+    name = "external_energy_limits",
+    srcs = [
+        "src/external_energy_limits.cpp",
+    ],
+    hdrs = [
+        "include/everest/external_energy_limits/external_energy_limits.hpp",
+    ],
+    copts = ["-std=c++17"],
+    includes = ["include"],
+    visibility = ["//visibility:public"],
+    deps = [
+        "//lib/everest/framework:framework",
+        "//interfaces:interfaces_lib",
+    ],
+)