Add 3.0.0 in README to avoid conflict with master

Author: Diego Rodriguez

README.md

@@ -32,6 +32,7 @@ Here is the compatibility matrix of the plugin:
 |        2.0.1       |          4.0.0          |        7.9 -> 8.2           |   Fortran / Shell   |
 |        2.0.2       |          4.1.0          |        7.9 -> 8.2           |   Fortran / Shell   |
 |        2.0.3       |          4.1.2          |        7.9 -> 8.2           |   Fortran / Shell   |
+|        3.0.0       |          4.1.0          |        7.9 -> 8.2           |       Fortran       |
 |        3.0.1       |          4.1.2          |        7.9 -> 8.2           |       Fortran       |
 
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