Updated infrastructure-design.md

docs/personal-documentation/Luca/infrastructure-design.md

@@ -11,6 +11,7 @@ to the data of the current exercise and show how well the user is performing.
 
 Down below is a visual representation of how this infrastructure will look like.
 
+### General Infrastructure Diagram
 ```mermaid
 
 graph TB
@@ -39,4 +40,22 @@ graph TB
         gyro <---> esp
     end
 
+```
+
+### Database Diagram
+
+For the design of our database, we've decided to only add a single table named `Exercise`.
+This table contains all the information needed for the exercises.
+```mermaid
+classDiagram
+    class Exercise {
+        +ExerciseId : INT
+        +Name : VARCHAR
+        +Description : VARCHAR
+        +ShortDescription : VARCHAR
+        +ImageURL : VARCHAR
+        +VideoURL : VARCHAR
+        +MuscleGroup : VARCHAR
+        +Path : VARCHAR
+    }
 ```