changed years to basic/advanced in physics

main_physics.tex

@@ -13,33 +13,34 @@
 \newpage
 \subfile{Physics/constants.tex}
 \cleardoublepage
-\chapter{First year}
+\chapter{Basic topics}
 \newpage
-%       \subfile{Physics/1st/Chemistry/Chemistry.tex}
+%       \subfile{Physics/Basic/Chemistry/Chemistry.tex}
 %       \cleardoublepage
 
-\subfile{Physics/1st/Electricity_and_magnetism/Electricity_and_magnetism.tex}
+\subfile{Physics/Basic/Electricity_and_magnetism/Electricity_and_magnetism.tex}
 \cleardoublepage
 
-\subfile{Physics/1st/Mechanics_and_special_relativity/Mechanics_and_special_relativity.tex}
+\subfile{Physics/Basic/Mechanics_and_special_relativity/Mechanics_and_special_relativity.tex}
 \cleardoublepage
 
-%       \subfile{Physics/1st/Waves_and_optics/Waves_and_optics.tex}
+%       \subfile{Physics/Basic/Waves_and_optics/Waves_and_optics.tex}
 %       \cleardoublepage
-\chapter{Second year}
-\newpage
-%       \subfile{Physics/2nd/Classical_mechanics/Classical_mechanics.tex}
+%       \subfile{Physics/Basic/Classical_mechanics/Classical_mechanics.tex}
 %       \cleardoublepage
 
-%       \subfile{Physics/2nd/Electromagnetism/Electromagnetism.tex}
+%       \subfile{Physics/Basic/Electromagnetism/Electromagnetism.tex}
 %       \cleardoublepage
 
-\subfile{Physics/2nd/Structure_of_matter_and_thermodynamics/Structure_of_matter_and_thermodynamics.tex}
+\subfile{Physics/Basic/Structure_of_matter_and_thermodynamics/Structure_of_matter_and_thermodynamics.tex}
 \cleardoublepage
-\chapter{Third year}
+\chapter{Advanced topics}
 \newpage
 
-\subfile{Physics/3rd/Quantum_physics/Quantum_physics.tex}
+\subfile{Physics/Advanced/Quantum_physics/Quantum_physics.tex}
+\cleardoublepage
+
+\subfile{Physics/Advanced/Fluid_mechanics/Fluid_mechanics.tex}
 \cleardoublepage
 
 %   \chapter{Fourth year}