Fix indentation and divided the cmake into libraries and bins

- Each library and binary got their own CMakeLists.txt
- Indentation was fixed everywhere
- Weird if statement flows replaced

dPhysics/CMakeLists.txt

@@ -0,0 +1,8 @@
+file(
+    GLOB SOURCES_DPHYSICS
+    LIST_DIRECTORIES false
+    RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}"
+    *.cpp
+)
+
+add_library(dPhysics ${SOURCES_DPHYSICS})