add md-file for detailed explanation of output

OUPUT_EXPLANATION.md

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+# FashionFormer Output Explanation
+The result data structure is organized as a tuple containing three lists.
+Here is a sample image for which the model output is generated. 
+
+![sample image](figs/sample_image.png?raw=true) 
+
+
+## First Item: Garment Detection Information
+Data Type: List of Arrays  
+Length: 46  
+Array Dimensionality: (X, 5)  
+X: Number of times the particular garment was detected within the image
+
+Each row in an array represents a detected instance of the garment.
+The first 4 numbers in each row are always 0 (potentially reserved for bounding box coordinates?).
+The last number in each row indicates the certainty level of the garment detection.
+If the garment was not detected (probability below a certain threshold), the corresponding array's dimensionality is (0, 5).
+
+```
+result[0][4]
+array([[0.        , 0.        , 0.        , 0.        , 0.76458955],
+       [0.        , 0.        , 0.        , 0.        , 0.12469797],
+       [0.        , 0.        , 0.        , 0.        , 0.10306859]],
+      dtype=float32)
+```
+
+## Second Item: Pixel Mask for Garment Detection
+Data Type: List of Boolean Arrays  
+Length: 46  
+Array Dimensionality: same dimensionality as input image  
+Array Length: X (number of detected instances of garments in the image)  
+
+Each Boolean array has the same dimensionality as the input image.
+True values correspond to pixels where the corresponding garment was detected.
+
+```
+result[1][4][0]
+# Note how this image corresponds to result[0][4][0]
+```
+![Alt text](figs/sample_mask_1.png?raw=true)  
+
+```
+result[1][4][1]
+# Note how this Image corresponds to result[0][4][1]
+```
+![Alt text](figs/sample_mask_2.png?raw=true)  
+
+```
+result[1][4][2]
+# Note how this Image corresponds to result[0][4][2]
+```
+![Alt text](figs/sample_mask_3.png?raw=true)  
+
+
+## Third Item: Attribute Detection Information
+Data Type: List of Arrays  
+Length: 46  
+Array Dimensionality: (294,)  
+
+Each array contains probabilities of 294 fashion attributes being present in the detected garment.
+Each of the 294 numbers represents the probability of a specific fashion attribute being present in the garment.
+