Update README.md

README.md

-```
-training_material
-├── 01-Parallel_Programming
-│   ├── MPI
-```
+# training_material
+## 01-Parallel_Programming
+### MPI
+[link to project/git repo](https://dummy) 1-line description of the content
+
+[workshop1](https://workshops1) Introduction to MPI
+
+[workshop2](https://workshops2) Intermediate course on MPI
+
+[workshop3](https://workshops3) Advanced MPI workshop
+###  OpenMP
 [workshop1](https://workshops1)
 
 [workshop2](https://workshops2)
 
 [workshop3](https://workshops3)
+### Python
+
+## GPU_Programming
+### CUDA
+### GPU_Python
+### OpenACC
+
+## PGAS_Languages
+### Chapel
+### Coarray_Fortran
+
+## Data_Processing
+### Python
+### R
+
+## Debugging
+### C
+### Fortran
+### Python
+
+## Profiling
+### C
+### Fortran
+### Python
+
+## 07-Best_Practice_Guides
+### C
+### Fortran
+### Python
 
-```
-│   ├── OpenMP
-	   link://workshop1
-	   link://workshop2
-	   link://workshop3
-│   └── Python
-           link://ex10
-├── 02-GPU_Programming
-│   ├── CUDA
-│   ├── GPU_Python
-│   └── OpenACC
-├── 03-PGAS_Languages
-│   ├── Chapel
-│   └── Coarray_Fortran
-├── 04-Data_Processing
-│   ├── Python
-│   └── R
-├── 05-Debugging
-│   ├── C
-│   ├── Fortran
-│   └── Python
-├── 06-Profiling
-│   ├── C
-│   ├── Fortran
-│   └── Python
-├── 07-Best_Practice_Guides
-│   ├── C
-│   ├── Fortran
-│   └── Python
-└── 99-var
+## var
 ```
\ No newline at end of file