[PC-1069] Portenta C33 - Fixing Datasheet (#968)

* Fixing Datasheet

Centring the minerals table on the "RoHS 2 Directive 2011/65/EU of the European Parliament and RoHS 3 Directive 2015/863/EU of the Council of 4 June 2015 on the restriction of the use of certain hazardous substances in electrical and electronic equipment." Section

* Page Break

Page breaks fix to make paragraphs look better.

Author: Jorgetrujilloroman

content/hardware/04.pro/boards/portenta-c33/datasheets/datasheet.md

@@ -384,6 +384,8 @@ castellated/through-hole pins around the two long edges and two High-Density con
 The Portenta C33 is designed to be usable as a surface-mount module as well as presenting a dual inline package (DIP) format with the MKR-styled connectors on a 2.54 mm pitch grid with 1 mm holes. The Portenta C33 also has four 1.12 mm drilled mounting holes to provide for mechanical fixing.
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 ### Board Dimensions
 
 Portenta C33 board main dimensions can be seen in Figure 2.
@@ -424,18 +426,20 @@ We declare under our sole responsibility that the products above are in conformi
 
 Arduino boards are in compliance with RoHS 2 Directive 2011/65/EU of the European Parliament and RoHS 3 Directive 2015/863/EU of the Council of 4 June 2015 on the restriction of the use of certain hazardous substances in electrical and electronic equipment.
 
-|              **Substance**             | **Maximum Limit (ppm)** |
-|:--------------------------------------:|:-----------------------:|
-|                Lead (Pb)               |           1000          |
-|              Cadmium (Cd)              |           100           |
-|              Mercury (Hg)              |           1000          |
-|       Hexavalent chromium (Cr6+)       |           1000          |
-|     Poly brominated biphenyls (PBB)    |           1000          |
-| Poly brominated diphenyl ethers (PBDE) |           1000          |
-|   Bis(2-Ethylhexyl) phthalate (DEHP)   |           1000          |
-|      Benzyl butyl phthalate (BBP)      |           1000          |
-|         Dibutyl phthalate (DBP)        |           1000          |
-|       Diisobutyl phthalate (DIBP)      |           1000          |
+| **Substance**                          | **Maximum Limit (ppm)** |
+|----------------------------------------|-------------------------|
+| Lead (Pb)                              | 1000                    |
+| Cadmium (Cd)                           | 100                     |
+| Mercury (Hg)                           | 1000                    |
+| Hexavalent Chromium (Cr6+)             | 1000                    |
+| Poly Brominated Biphenyls (PBB)        | 1000                    |
+| Poly Brominated Diphenyl ethers (PBDE) | 1000                    |
+| Bis(2-Ethylhexyl} phthalate (DEHP)     | 1000                    |
+| Benzyl butyl phthalate (BBP)           | 1000                    |
+| Dibutyl phthalate (DBP)                | 1000                    |
+| Diisobutyl phthalate (DIBP)            | 1000                    |
+
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 Exemptions: No exemptions are claimed.