Set ManiVault installation directory from environment

Add installation directory for ManiVault

Author: ThomasKroes

conanfile.py

@@ -99,6 +99,8 @@ def generate(self):
         # Use the ManiVault .cmake file to find ManiVault with find_package
         mv_core_root = self.deps_cpp_info["hdps-core"].rootpath
         manivault_dir = pathlib.Path(mv_core_root, "cmake", "mv").as_posix()
+        self.install_dir = pathlib.Path(os.environ["MV_INSTALL_DIR"]).as_posix()
+        
         print("ManiVault_DIR: ", manivault_dir)
         tc.variables["ManiVault_DIR"] = manivault_dir